Home / 1,517,486.40-2,276,229.60-761,659.20

Finding the Fourth Proportional to 1,517,486.40, 2,276,229.60 and 761,659.20

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Solution

The fourth proportional to 1,517,486.40, 2,276,229.60 and 761,659.20 is: 1,142,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,486.40 : 2,276,229.60 = 761,659.20 : x
  2. Step 2: Convert to fraction form
    1,517,486.40/2,276,229.60 = 761,659.20/x
  3. Step 3: Cross multiply
    1,517,486.40x = 2,276,229.60 × 761,659.20
  4. Step 4: Simplify right side
    1,517,486.40x = 1,733,711,216,152.32
  5. Step 5: Solve for x
    x = 1,733,711,216,152.32/1,517,486.40
  6. Step 6: Final answer
    x = 1,142,488.80

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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.