Home / 1,162,175.52-1,603,790.88-645,930.56

Finding the Fourth Proportional to 1,162,175.52, 1,603,790.88 and 645,930.56

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Solution

The fourth proportional to 1,162,175.52, 1,603,790.88 and 645,930.56 is: 891,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,175.52 : 1,603,790.88 = 645,930.56 : x
  2. Step 2: Convert to fraction form
    1,162,175.52/1,603,790.88 = 645,930.56/x
  3. Step 3: Cross multiply
    1,162,175.52x = 1,603,790.88 × 645,930.56
  4. Step 4: Simplify right side
    1,162,175.52x = 1,035,937,541,241.29
  5. Step 5: Solve for x
    x = 1,035,937,541,241.29/1,162,175.52
  6. Step 6: Final answer
    x = 891,377.87

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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.