Home / 1,359,811.12-1,876,585.42-748,009.38

Finding the Fourth Proportional to 1,359,811.12, 1,876,585.42 and 748,009.38

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Solution

The fourth proportional to 1,359,811.12, 1,876,585.42 and 748,009.38 is: 1,032,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,811.12 : 1,876,585.42 = 748,009.38 : x
  2. Step 2: Convert to fraction form
    1,359,811.12/1,876,585.42 = 748,009.38/x
  3. Step 3: Cross multiply
    1,359,811.12x = 1,876,585.42 × 748,009.38
  4. Step 4: Simplify right side
    1,359,811.12x = 1,403,703,496,531.24
  5. Step 5: Solve for x
    x = 1,403,703,496,531.24/1,359,811.12
  6. Step 6: Final answer
    x = 1,032,278.29

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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.