Home / 1,139,966.16-1,708,821.60-539,872.80

Finding the Fourth Proportional to 1,139,966.16, 1,708,821.60 and 539,872.80

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Solution

The fourth proportional to 1,139,966.16, 1,708,821.60 and 539,872.80 is: 809,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,966.16 : 1,708,821.60 = 539,872.80 : x
  2. Step 2: Convert to fraction form
    1,139,966.16/1,708,821.60 = 539,872.80/x
  3. Step 3: Cross multiply
    1,139,966.16x = 1,708,821.60 × 539,872.80
  4. Step 4: Simplify right side
    1,139,966.16x = 922,546,301,892.48
  5. Step 5: Solve for x
    x = 922,546,301,892.48/1,139,966.16
  6. Step 6: Final answer
    x = 809,275.16

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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.