Home / 1,283,747.72-1,771,627.14-710,787.80

Finding the Fourth Proportional to 1,283,747.72, 1,771,627.14 and 710,787.80

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Solution

The fourth proportional to 1,283,747.72, 1,771,627.14 and 710,787.80 is: 980,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,747.72 : 1,771,627.14 = 710,787.80 : x
  2. Step 2: Convert to fraction form
    1,283,747.72/1,771,627.14 = 710,787.80/x
  3. Step 3: Cross multiply
    1,283,747.72x = 1,771,627.14 × 710,787.80
  4. Step 4: Simplify right side
    1,283,747.72x = 1,259,250,957,260.89
  5. Step 5: Solve for x
    x = 1,259,250,957,260.89/1,283,747.72
  6. Step 6: Final answer
    x = 980,917.78

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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.