Home / 1,016,770.80-1,524,718.80-511,136.40

Finding the Fourth Proportional to 1,016,770.80, 1,524,718.80 and 511,136.40

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Solution

The fourth proportional to 1,016,770.80, 1,524,718.80 and 511,136.40 is: 766,484.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,770.80 : 1,524,718.80 = 511,136.40 : x
  2. Step 2: Convert to fraction form
    1,016,770.80/1,524,718.80 = 511,136.40/x
  3. Step 3: Cross multiply
    1,016,770.80x = 1,524,718.80 × 511,136.40
  4. Step 4: Simplify right side
    1,016,770.80x = 779,339,278,444.32
  5. Step 5: Solve for x
    x = 779,339,278,444.32/1,016,770.80
  6. Step 6: Final answer
    x = 766,484.72

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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.