Home / 1,350,182.72-1,862,374.02-865,980.92

Finding the Fourth Proportional to 1,350,182.72, 1,862,374.02 and 865,980.92

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Solution

The fourth proportional to 1,350,182.72, 1,862,374.02 and 865,980.92 is: 1,194,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,182.72 : 1,862,374.02 = 865,980.92 : x
  2. Step 2: Convert to fraction form
    1,350,182.72/1,862,374.02 = 865,980.92/x
  3. Step 3: Cross multiply
    1,350,182.72x = 1,862,374.02 × 865,980.92
  4. Step 4: Simplify right side
    1,350,182.72x = 1,612,780,367,223.70
  5. Step 5: Solve for x
    x = 1,612,780,367,223.70/1,350,182.72
  6. Step 6: Final answer
    x = 1,194,490.45

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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.