Home / 1,517,612.40-2,276,418.60-761,785.20

Finding the Fourth Proportional to 1,517,612.40, 2,276,418.60 and 761,785.20

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Solution

The fourth proportional to 1,517,612.40, 2,276,418.60 and 761,785.20 is: 1,142,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,612.40 : 2,276,418.60 = 761,785.20 : x
  2. Step 2: Convert to fraction form
    1,517,612.40/2,276,418.60 = 761,785.20/x
  3. Step 3: Cross multiply
    1,517,612.40x = 2,276,418.60 × 761,785.20
  4. Step 4: Simplify right side
    1,517,612.40x = 1,734,141,998,484.72
  5. Step 5: Solve for x
    x = 1,734,141,998,484.72/1,517,612.40
  6. Step 6: Final answer
    x = 1,142,677.80

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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.