Home / 1,146,398.12-1,719,854.70-388,195.96

Finding the Fourth Proportional to 1,146,398.12, 1,719,854.70 and 388,195.96

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Solution

The fourth proportional to 1,146,398.12, 1,719,854.70 and 388,195.96 is: 582,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,398.12 : 1,719,854.70 = 388,195.96 : x
  2. Step 2: Convert to fraction form
    1,146,398.12/1,719,854.70 = 388,195.96/x
  3. Step 3: Cross multiply
    1,146,398.12x = 1,719,854.70 × 388,195.96
  4. Step 4: Simplify right side
    1,146,398.12x = 667,640,646,327.01
  5. Step 5: Solve for x
    x = 667,640,646,327.01/1,146,398.12
  6. Step 6: Final answer
    x = 582,381.14

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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.