Home / 1,139,432.10-1,707,074.55-927,924.90

Finding the Fourth Proportional to 1,139,432.10, 1,707,074.55 and 927,924.90

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Solution

The fourth proportional to 1,139,432.10, 1,707,074.55 and 927,924.90 is: 1,390,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,432.10 : 1,707,074.55 = 927,924.90 : x
  2. Step 2: Convert to fraction form
    1,139,432.10/1,707,074.55 = 927,924.90/x
  3. Step 3: Cross multiply
    1,139,432.10x = 1,707,074.55 × 927,924.90
  4. Step 4: Simplify right side
    1,139,432.10x = 1,584,036,981,101.30
  5. Step 5: Solve for x
    x = 1,584,036,981,101.30/1,139,432.10
  6. Step 6: Final answer
    x = 1,390,198.66

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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.