Home / 1,040,775.27-1,561,269.92-392,897.18

Finding the Fourth Proportional to 1,040,775.27, 1,561,269.92 and 392,897.18

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Solution

The fourth proportional to 1,040,775.27, 1,561,269.92 and 392,897.18 is: 589,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,775.27 : 1,561,269.92 = 392,897.18 : x
  2. Step 2: Convert to fraction form
    1,040,775.27/1,561,269.92 = 392,897.18/x
  3. Step 3: Cross multiply
    1,040,775.27x = 1,561,269.92 × 392,897.18
  4. Step 4: Simplify right side
    1,040,775.27x = 613,418,539,015.99
  5. Step 5: Solve for x
    x = 613,418,539,015.99/1,040,775.27
  6. Step 6: Final answer
    x = 589,386.16

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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.