Home / 970,366.80-1,455,809.40-865,909.20

Finding the Fourth Proportional to 970,366.80, 1,455,809.40 and 865,909.20

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Solution

The fourth proportional to 970,366.80, 1,455,809.40 and 865,909.20 is: 1,299,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,366.80 : 1,455,809.40 = 865,909.20 : x
  2. Step 2: Convert to fraction form
    970,366.80/1,455,809.40 = 865,909.20/x
  3. Step 3: Cross multiply
    970,366.80x = 1,455,809.40 × 865,909.20
  4. Step 4: Simplify right side
    970,366.80x = 1,260,598,752,906.48
  5. Step 5: Solve for x
    x = 1,260,598,752,906.48/970,366.80
  6. Step 6: Final answer
    x = 1,299,095.10

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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.