Home / 1,074,160.32-1,611,240.48-511,488.96

Finding the Fourth Proportional to 1,074,160.32, 1,611,240.48 and 511,488.96

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Solution

The fourth proportional to 1,074,160.32, 1,611,240.48 and 511,488.96 is: 767,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,160.32 : 1,611,240.48 = 511,488.96 : x
  2. Step 2: Convert to fraction form
    1,074,160.32/1,611,240.48 = 511,488.96/x
  3. Step 3: Cross multiply
    1,074,160.32x = 1,611,240.48 × 511,488.96
  4. Step 4: Simplify right side
    1,074,160.32x = 824,131,717,425.10
  5. Step 5: Solve for x
    x = 824,131,717,425.10/1,074,160.32
  6. Step 6: Final answer
    x = 767,233.44

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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.