Home / 1,048,009.40-1,572,014.10-383,420.60

Finding the Fourth Proportional to 1,048,009.40, 1,572,014.10 and 383,420.60

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Solution

The fourth proportional to 1,048,009.40, 1,572,014.10 and 383,420.60 is: 575,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,009.40 : 1,572,014.10 = 383,420.60 : x
  2. Step 2: Convert to fraction form
    1,048,009.40/1,572,014.10 = 383,420.60/x
  3. Step 3: Cross multiply
    1,048,009.40x = 1,572,014.10 × 383,420.60
  4. Step 4: Simplify right side
    1,048,009.40x = 602,742,589,430.46
  5. Step 5: Solve for x
    x = 602,742,589,430.46/1,048,009.40
  6. Step 6: Final answer
    x = 575,130.90

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.