Home / 1,248,686.38-1,723,187.20-675,730.65

Finding the Fourth Proportional to 1,248,686.38, 1,723,187.20 and 675,730.65

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Solution

The fourth proportional to 1,248,686.38, 1,723,187.20 and 675,730.65 is: 932,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,686.38 : 1,723,187.20 = 675,730.65 : x
  2. Step 2: Convert to fraction form
    1,248,686.38/1,723,187.20 = 675,730.65/x
  3. Step 3: Cross multiply
    1,248,686.38x = 1,723,187.20 × 675,730.65
  4. Step 4: Simplify right side
    1,248,686.38x = 1,164,410,406,727.68
  5. Step 5: Solve for x
    x = 1,164,410,406,727.68/1,248,686.38
  6. Step 6: Final answer
    x = 932,508.30

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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.