Home / 1,101,787.74-1,651,129.65-876,146.85

Finding the Fourth Proportional to 1,101,787.74, 1,651,129.65 and 876,146.85

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Solution

The fourth proportional to 1,101,787.74, 1,651,129.65 and 876,146.85 is: 1,312,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,787.74 : 1,651,129.65 = 876,146.85 : x
  2. Step 2: Convert to fraction form
    1,101,787.74/1,651,129.65 = 876,146.85/x
  3. Step 3: Cross multiply
    1,101,787.74x = 1,651,129.65 × 876,146.85
  4. Step 4: Simplify right side
    1,101,787.74x = 1,446,632,041,789.10
  5. Step 5: Solve for x
    x = 1,446,632,041,789.10/1,101,787.74
  6. Step 6: Final answer
    x = 1,312,986.15

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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.