Home / 1,026,279.48-1,415,342.52-663,321.72

Finding the Fourth Proportional to 1,026,279.48, 1,415,342.52 and 663,321.72

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Solution

The fourth proportional to 1,026,279.48, 1,415,342.52 and 663,321.72 is: 914,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,279.48 : 1,415,342.52 = 663,321.72 : x
  2. Step 2: Convert to fraction form
    1,026,279.48/1,415,342.52 = 663,321.72/x
  3. Step 3: Cross multiply
    1,026,279.48x = 1,415,342.52 × 663,321.72
  4. Step 4: Simplify right side
    1,026,279.48x = 938,827,434,755.53
  5. Step 5: Solve for x
    x = 938,827,434,755.53/1,026,279.48
  6. Step 6: Final answer
    x = 914,787.30

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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.