Home / 989,996.43-1,366,195.08-537,287.43

Finding the Fourth Proportional to 989,996.43, 1,366,195.08 and 537,287.43

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Solution

The fourth proportional to 989,996.43, 1,366,195.08 and 537,287.43 is: 741,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,996.43 : 1,366,195.08 = 537,287.43 : x
  2. Step 2: Convert to fraction form
    989,996.43/1,366,195.08 = 537,287.43/x
  3. Step 3: Cross multiply
    989,996.43x = 1,366,195.08 × 537,287.43
  4. Step 4: Simplify right side
    989,996.43x = 734,039,443,411.85
  5. Step 5: Solve for x
    x = 734,039,443,411.85/989,996.43
  6. Step 6: Final answer
    x = 741,456.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.