Home / 1,012,106.52-1,396,154.19-649,126.48

Finding the Fourth Proportional to 1,012,106.52, 1,396,154.19 and 649,126.48

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Solution

The fourth proportional to 1,012,106.52, 1,396,154.19 and 649,126.48 is: 895,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,106.52 : 1,396,154.19 = 649,126.48 : x
  2. Step 2: Convert to fraction form
    1,012,106.52/1,396,154.19 = 649,126.48/x
  3. Step 3: Cross multiply
    1,012,106.52x = 1,396,154.19 × 649,126.48
  4. Step 4: Simplify right side
    1,012,106.52x = 906,280,654,891.95
  5. Step 5: Solve for x
    x = 906,280,654,891.95/1,012,106.52
  6. Step 6: Final answer
    x = 895,440.00

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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.