Home / 1,240,276.59-1,713,026.17-992,780.18

Finding the Fourth Proportional to 1,240,276.59, 1,713,026.17 and 992,780.18

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Solution

The fourth proportional to 1,240,276.59, 1,713,026.17 and 992,780.18 is: 1,371,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,276.59 : 1,713,026.17 = 992,780.18 : x
  2. Step 2: Convert to fraction form
    1,240,276.59/1,713,026.17 = 992,780.18/x
  3. Step 3: Cross multiply
    1,240,276.59x = 1,713,026.17 × 992,780.18
  4. Step 4: Simplify right side
    1,240,276.59x = 1,700,658,428,497.00
  5. Step 5: Solve for x
    x = 1,700,658,428,497.00/1,240,276.59
  6. Step 6: Final answer
    x = 1,371,192.88

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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.