Home / 727,580.10-1,091,370.15-694,920.90

Finding the Fourth Proportional to 727,580.10, 1,091,370.15 and 694,920.90

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Solution

The fourth proportional to 727,580.10, 1,091,370.15 and 694,920.90 is: 1,042,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,580.10 : 1,091,370.15 = 694,920.90 : x
  2. Step 2: Convert to fraction form
    727,580.10/1,091,370.15 = 694,920.90/x
  3. Step 3: Cross multiply
    727,580.10x = 1,091,370.15 × 694,920.90
  4. Step 4: Simplify right side
    727,580.10x = 758,415,926,871.14
  5. Step 5: Solve for x
    x = 758,415,926,871.14/727,580.10
  6. Step 6: Final answer
    x = 1,042,381.35

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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.