Home / 1,016,771.80-1,524,720.30-511,137.40

Finding the Fourth Proportional to 1,016,771.80, 1,524,720.30 and 511,137.40

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Solution

The fourth proportional to 1,016,771.80, 1,524,720.30 and 511,137.40 is: 766,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,771.80 : 1,524,720.30 = 511,137.40 : x
  2. Step 2: Convert to fraction form
    1,016,771.80/1,524,720.30 = 511,137.40/x
  3. Step 3: Cross multiply
    1,016,771.80x = 1,524,720.30 × 511,137.40
  4. Step 4: Simplify right side
    1,016,771.80x = 779,341,569,869.22
  5. Step 5: Solve for x
    x = 779,341,569,869.22/1,016,771.80
  6. Step 6: Final answer
    x = 766,486.22

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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.