Home / 917,723.40-1,376,585.10-728,766.60

Finding the Fourth Proportional to 917,723.40, 1,376,585.10 and 728,766.60

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Solution

The fourth proportional to 917,723.40, 1,376,585.10 and 728,766.60 is: 1,093,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,723.40 : 1,376,585.10 = 728,766.60 : x
  2. Step 2: Convert to fraction form
    917,723.40/1,376,585.10 = 728,766.60/x
  3. Step 3: Cross multiply
    917,723.40x = 1,376,585.10 × 728,766.60
  4. Step 4: Simplify right side
    917,723.40x = 1,003,209,242,937.66
  5. Step 5: Solve for x
    x = 1,003,209,242,937.66/917,723.40
  6. Step 6: Final answer
    x = 1,093,149.90

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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.