Home / 1,074,118.32-1,611,177.60-511,446.96

Finding the Fourth Proportional to 1,074,118.32, 1,611,177.60 and 511,446.96

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Solution

The fourth proportional to 1,074,118.32, 1,611,177.60 and 511,446.96 is: 767,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,118.32 : 1,611,177.60 = 511,446.96 : x
  2. Step 2: Convert to fraction form
    1,074,118.32/1,611,177.60 = 511,446.96/x
  3. Step 3: Cross multiply
    1,074,118.32x = 1,611,177.60 × 511,446.96
  4. Step 4: Simplify right side
    1,074,118.32x = 824,031,885,540.10
  5. Step 5: Solve for x
    x = 824,031,885,540.10/1,074,118.32
  6. Step 6: Final answer
    x = 767,170.50

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Double scale
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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.