Home / 1,039,770.40-1,559,655.60-635,612.80

Finding the Fourth Proportional to 1,039,770.40, 1,559,655.60 and 635,612.80

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Solution

The fourth proportional to 1,039,770.40, 1,559,655.60 and 635,612.80 is: 953,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,770.40 : 1,559,655.60 = 635,612.80 : x
  2. Step 2: Convert to fraction form
    1,039,770.40/1,559,655.60 = 635,612.80/x
  3. Step 3: Cross multiply
    1,039,770.40x = 1,559,655.60 × 635,612.80
  4. Step 4: Simplify right side
    1,039,770.40x = 991,337,062,951.68
  5. Step 5: Solve for x
    x = 991,337,062,951.68/1,039,770.40
  6. Step 6: Final answer
    x = 953,419.20

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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.