Home / 1,110,562.80-1,665,351.72-511,378.80

Finding the Fourth Proportional to 1,110,562.80, 1,665,351.72 and 511,378.80

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Solution

The fourth proportional to 1,110,562.80, 1,665,351.72 and 511,378.80 is: 766,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,562.80 : 1,665,351.72 = 511,378.80 : x
  2. Step 2: Convert to fraction form
    1,110,562.80/1,665,351.72 = 511,378.80/x
  3. Step 3: Cross multiply
    1,110,562.80x = 1,665,351.72 × 511,378.80
  4. Step 4: Simplify right side
    1,110,562.80x = 851,625,564,151.54
  5. Step 5: Solve for x
    x = 851,625,564,151.54/1,110,562.80
  6. Step 6: Final answer
    x = 766,841.43

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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.