Home / 1,458,472.56-2,187,695.88-511,621.44

Finding the Fourth Proportional to 1,458,472.56, 2,187,695.88 and 511,621.44

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Solution

The fourth proportional to 1,458,472.56, 2,187,695.88 and 511,621.44 is: 767,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,472.56 : 2,187,695.88 = 511,621.44 : x
  2. Step 2: Convert to fraction form
    1,458,472.56/2,187,695.88 = 511,621.44/x
  3. Step 3: Cross multiply
    1,458,472.56x = 2,187,695.88 × 511,621.44
  4. Step 4: Simplify right side
    1,458,472.56x = 1,119,272,116,407.67
  5. Step 5: Solve for x
    x = 1,119,272,116,407.67/1,458,472.56
  6. Step 6: Final answer
    x = 767,427.61

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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.