Home / 1,012,385.64-1,397,121.33-559,705.80

Finding the Fourth Proportional to 1,012,385.64, 1,397,121.33 and 559,705.80

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Solution

The fourth proportional to 1,012,385.64, 1,397,121.33 and 559,705.80 is: 772,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,385.64 : 1,397,121.33 = 559,705.80 : x
  2. Step 2: Convert to fraction form
    1,012,385.64/1,397,121.33 = 559,705.80/x
  3. Step 3: Cross multiply
    1,012,385.64x = 1,397,121.33 × 559,705.80
  4. Step 4: Simplify right side
    1,012,385.64x = 781,976,911,704.71
  5. Step 5: Solve for x
    x = 781,976,911,704.71/1,012,385.64
  6. Step 6: Final answer
    x = 772,410.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.