Home / 1,016,897.88-1,403,315.19-558,020.13

Finding the Fourth Proportional to 1,016,897.88, 1,403,315.19 and 558,020.13

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Solution

The fourth proportional to 1,016,897.88, 1,403,315.19 and 558,020.13 is: 770,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,897.88 : 1,403,315.19 = 558,020.13 : x
  2. Step 2: Convert to fraction form
    1,016,897.88/1,403,315.19 = 558,020.13/x
  3. Step 3: Cross multiply
    1,016,897.88x = 1,403,315.19 × 558,020.13
  4. Step 4: Simplify right side
    1,016,897.88x = 783,078,124,754.78
  5. Step 5: Solve for x
    x = 783,078,124,754.78/1,016,897.88
  6. Step 6: Final answer
    x = 770,065.65

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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.