Home / 1,208,149.66-1,815,546.02-1,129,153.17

Finding the Fourth Proportional to 1,208,149.66, 1,815,546.02 and 1,129,153.17

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Solution

The fourth proportional to 1,208,149.66, 1,815,546.02 and 1,129,153.17 is: 1,696,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,149.66 : 1,815,546.02 = 1,129,153.17 : x
  2. Step 2: Convert to fraction form
    1,208,149.66/1,815,546.02 = 1,129,153.17/x
  3. Step 3: Cross multiply
    1,208,149.66x = 1,815,546.02 × 1,129,153.17
  4. Step 4: Simplify right side
    1,208,149.66x = 2,050,029,545,517.71
  5. Step 5: Solve for x
    x = 2,050,029,545,517.71/1,208,149.66
  6. Step 6: Final answer
    x = 1,696,834.10

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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.