Home / 1,030,712.80-1,546,069.20-432,349.60

Finding the Fourth Proportional to 1,030,712.80, 1,546,069.20 and 432,349.60

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Solution

The fourth proportional to 1,030,712.80, 1,546,069.20 and 432,349.60 is: 648,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,712.80 : 1,546,069.20 = 432,349.60 : x
  2. Step 2: Convert to fraction form
    1,030,712.80/1,546,069.20 = 432,349.60/x
  3. Step 3: Cross multiply
    1,030,712.80x = 1,546,069.20 × 432,349.60
  4. Step 4: Simplify right side
    1,030,712.80x = 668,442,400,192.32
  5. Step 5: Solve for x
    x = 668,442,400,192.32/1,030,712.80
  6. Step 6: Final answer
    x = 648,524.40

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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.