Home / 1,006,354.24-1,389,344.16-667,283.20

Finding the Fourth Proportional to 1,006,354.24, 1,389,344.16 and 667,283.20

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Solution

The fourth proportional to 1,006,354.24, 1,389,344.16 and 667,283.20 is: 921,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,354.24 : 1,389,344.16 = 667,283.20 : x
  2. Step 2: Convert to fraction form
    1,006,354.24/1,389,344.16 = 667,283.20/x
  3. Step 3: Cross multiply
    1,006,354.24x = 1,389,344.16 × 667,283.20
  4. Step 4: Simplify right side
    1,006,354.24x = 927,086,016,986.11
  5. Step 5: Solve for x
    x = 927,086,016,986.11/1,006,354.24
  6. Step 6: Final answer
    x = 921,232.29

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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.