Home / 1,139,505.84-1,708,471.43-499,502.16

Finding the Fourth Proportional to 1,139,505.84, 1,708,471.43 and 499,502.16

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Solution

The fourth proportional to 1,139,505.84, 1,708,471.43 and 499,502.16 is: 748,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,505.84 : 1,708,471.43 = 499,502.16 : x
  2. Step 2: Convert to fraction form
    1,139,505.84/1,708,471.43 = 499,502.16/x
  3. Step 3: Cross multiply
    1,139,505.84x = 1,708,471.43 × 499,502.16
  4. Step 4: Simplify right side
    1,139,505.84x = 853,385,169,583.29
  5. Step 5: Solve for x
    x = 853,385,169,583.29/1,139,505.84
  6. Step 6: Final answer
    x = 748,908.11

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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.