Home / 1,006,729.12-1,389,285.24-554,020.12

Finding the Fourth Proportional to 1,006,729.12, 1,389,285.24 and 554,020.12

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Solution

The fourth proportional to 1,006,729.12, 1,389,285.24 and 554,020.12 is: 764,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,729.12 : 1,389,285.24 = 554,020.12 : x
  2. Step 2: Convert to fraction form
    1,006,729.12/1,389,285.24 = 554,020.12/x
  3. Step 3: Cross multiply
    1,006,729.12x = 1,389,285.24 × 554,020.12
  4. Step 4: Simplify right side
    1,006,729.12x = 769,691,975,379.03
  5. Step 5: Solve for x
    x = 769,691,975,379.03/1,006,729.12
  6. Step 6: Final answer
    x = 764,547.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.