Home / 1,360,013.85-1,876,759.83-748,127.78

Finding the Fourth Proportional to 1,360,013.85, 1,876,759.83 and 748,127.78

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Solution

The fourth proportional to 1,360,013.85, 1,876,759.83 and 748,127.78 is: 1,032,383.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,013.85 : 1,876,759.83 = 748,127.78 : x
  2. Step 2: Convert to fraction form
    1,360,013.85/1,876,759.83 = 748,127.78/x
  3. Step 3: Cross multiply
    1,360,013.85x = 1,876,759.83 × 748,127.78
  4. Step 4: Simplify right side
    1,360,013.85x = 1,404,056,155,827.28
  5. Step 5: Solve for x
    x = 1,404,056,155,827.28/1,360,013.85
  6. Step 6: Final answer
    x = 1,032,383.72

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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.