Home / 1,048,353.18-1,572,521.13-300,399.90

Finding the Fourth Proportional to 1,048,353.18, 1,572,521.13 and 300,399.90

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Solution

The fourth proportional to 1,048,353.18, 1,572,521.13 and 300,399.90 is: 450,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,353.18 : 1,572,521.13 = 300,399.90 : x
  2. Step 2: Convert to fraction form
    1,048,353.18/1,572,521.13 = 300,399.90/x
  3. Step 3: Cross multiply
    1,048,353.18x = 1,572,521.13 × 300,399.90
  4. Step 4: Simplify right side
    1,048,353.18x = 472,385,190,199.89
  5. Step 5: Solve for x
    x = 472,385,190,199.89/1,048,353.18
  6. Step 6: Final answer
    x = 450,597.37

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Double scale
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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.