Home / 1,279,962.31-1,766,314.15-706,990.18

Finding the Fourth Proportional to 1,279,962.31, 1,766,314.15 and 706,990.18

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Solution

The fourth proportional to 1,279,962.31, 1,766,314.15 and 706,990.18 is: 975,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,962.31 : 1,766,314.15 = 706,990.18 : x
  2. Step 2: Convert to fraction form
    1,279,962.31/1,766,314.15 = 706,990.18/x
  3. Step 3: Cross multiply
    1,279,962.31x = 1,766,314.15 × 706,990.18
  4. Step 4: Simplify right side
    1,279,962.31x = 1,248,766,758,845.05
  5. Step 5: Solve for x
    x = 1,248,766,758,845.05/1,279,962.31
  6. Step 6: Final answer
    x = 975,627.76

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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.