Home / 1,017,188.88-1,526,787.72-763,587.60

Finding the Fourth Proportional to 1,017,188.88, 1,526,787.72 and 763,587.60

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Solution

The fourth proportional to 1,017,188.88, 1,526,787.72 and 763,587.60 is: 1,146,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,188.88 : 1,526,787.72 = 763,587.60 : x
  2. Step 2: Convert to fraction form
    1,017,188.88/1,526,787.72 = 763,587.60/x
  3. Step 3: Cross multiply
    1,017,188.88x = 1,526,787.72 × 763,587.60
  4. Step 4: Simplify right side
    1,017,188.88x = 1,165,836,170,824.27
  5. Step 5: Solve for x
    x = 1,165,836,170,824.27/1,017,188.88
  6. Step 6: Final answer
    x = 1,146,135.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.