Home / 1,276,920-1,915,389.60-566,757.12

Finding the Fourth Proportional to 1,276,920, 1,915,389.60 and 566,757.12

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Solution

The fourth proportional to 1,276,920, 1,915,389.60 and 566,757.12 is: 850,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,920 : 1,915,389.60 = 566,757.12 : x
  2. Step 2: Convert to fraction form
    1,276,920/1,915,389.60 = 566,757.12/x
  3. Step 3: Cross multiply
    1,276,920x = 1,915,389.60 × 566,757.12
  4. Step 4: Simplify right side
    1,276,920x = 1,085,560,693,373.95
  5. Step 5: Solve for x
    x = 1,085,560,693,373.95/1,276,920
  6. Step 6: Final answer
    x = 850,139.94

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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.