Home / 1,182,176.38-1,631,405.22-672,878.76

Finding the Fourth Proportional to 1,182,176.38, 1,631,405.22 and 672,878.76

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Solution

The fourth proportional to 1,182,176.38, 1,631,405.22 and 672,878.76 is: 928,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,176.38 : 1,631,405.22 = 672,878.76 : x
  2. Step 2: Convert to fraction form
    1,182,176.38/1,631,405.22 = 672,878.76/x
  3. Step 3: Cross multiply
    1,182,176.38x = 1,631,405.22 × 672,878.76
  4. Step 4: Simplify right side
    1,182,176.38x = 1,097,737,921,491.13
  5. Step 5: Solve for x
    x = 1,097,737,921,491.13/1,182,176.38
  6. Step 6: Final answer
    x = 928,573.72

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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.