Home / 1,107,285.38-1,659,878.30-358,806.50

Finding the Fourth Proportional to 1,107,285.38, 1,659,878.30 and 358,806.50

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Solution

The fourth proportional to 1,107,285.38, 1,659,878.30 and 358,806.50 is: 537,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,285.38 : 1,659,878.30 = 358,806.50 : x
  2. Step 2: Convert to fraction form
    1,107,285.38/1,659,878.30 = 358,806.50/x
  3. Step 3: Cross multiply
    1,107,285.38x = 1,659,878.30 × 358,806.50
  4. Step 4: Simplify right side
    1,107,285.38x = 595,575,123,248.95
  5. Step 5: Solve for x
    x = 595,575,123,248.95/1,107,285.38
  6. Step 6: Final answer
    x = 537,869.58

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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.