Home / 1,499,215.27-2,068,966.02-820,151.77

Finding the Fourth Proportional to 1,499,215.27, 2,068,966.02 and 820,151.77

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Solution

The fourth proportional to 1,499,215.27, 2,068,966.02 and 820,151.77 is: 1,131,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,215.27 : 2,068,966.02 = 820,151.77 : x
  2. Step 2: Convert to fraction form
    1,499,215.27/2,068,966.02 = 820,151.77/x
  3. Step 3: Cross multiply
    1,499,215.27x = 2,068,966.02 × 820,151.77
  4. Step 4: Simplify right side
    1,499,215.27x = 1,696,866,143,372.86
  5. Step 5: Solve for x
    x = 1,696,866,143,372.86/1,499,215.27
  6. Step 6: Final answer
    x = 1,131,836.22

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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.