Home / 992,952.40-1,489,428.60-615,038.80

Finding the Fourth Proportional to 992,952.40, 1,489,428.60 and 615,038.80

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Solution

The fourth proportional to 992,952.40, 1,489,428.60 and 615,038.80 is: 922,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,952.40 : 1,489,428.60 = 615,038.80 : x
  2. Step 2: Convert to fraction form
    992,952.40/1,489,428.60 = 615,038.80/x
  3. Step 3: Cross multiply
    992,952.40x = 1,489,428.60 × 615,038.80
  4. Step 4: Simplify right side
    992,952.40x = 916,056,378,829.68
  5. Step 5: Solve for x
    x = 916,056,378,829.68/992,952.40
  6. Step 6: Final answer
    x = 922,558.20

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Similar ratio
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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.