Home / 1,113,737.52-1,536,691.52-678,149.76

Finding the Fourth Proportional to 1,113,737.52, 1,536,691.52 and 678,149.76

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Solution

The fourth proportional to 1,113,737.52, 1,536,691.52 and 678,149.76 is: 935,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,737.52 : 1,536,691.52 = 678,149.76 : x
  2. Step 2: Convert to fraction form
    1,113,737.52/1,536,691.52 = 678,149.76/x
  3. Step 3: Cross multiply
    1,113,737.52x = 1,536,691.52 × 678,149.76
  4. Step 4: Simplify right side
    1,113,737.52x = 1,042,106,985,482.04
  5. Step 5: Solve for x
    x = 1,042,106,985,482.04/1,113,737.52
  6. Step 6: Final answer
    x = 935,684.55

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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.