Home / 864,545.60-1,298,276.40-722,244.80

Finding the Fourth Proportional to 864,545.60, 1,298,276.40 and 722,244.80

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Solution

The fourth proportional to 864,545.60, 1,298,276.40 and 722,244.80 is: 1,084,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,545.60 : 1,298,276.40 = 722,244.80 : x
  2. Step 2: Convert to fraction form
    864,545.60/1,298,276.40 = 722,244.80/x
  3. Step 3: Cross multiply
    864,545.60x = 1,298,276.40 × 722,244.80
  4. Step 4: Simplify right side
    864,545.60x = 937,673,378,862.72
  5. Step 5: Solve for x
    x = 937,673,378,862.72/864,545.60
  6. Step 6: Final answer
    x = 1,084,585.22

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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.