Home / 1,107,151.20-1,660,726.80-547,279.20

Finding the Fourth Proportional to 1,107,151.20, 1,660,726.80 and 547,279.20

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Solution

The fourth proportional to 1,107,151.20, 1,660,726.80 and 547,279.20 is: 820,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,151.20 : 1,660,726.80 = 547,279.20 : x
  2. Step 2: Convert to fraction form
    1,107,151.20/1,660,726.80 = 547,279.20/x
  3. Step 3: Cross multiply
    1,107,151.20x = 1,660,726.80 × 547,279.20
  4. Step 4: Simplify right side
    1,107,151.20x = 908,881,234,522.56
  5. Step 5: Solve for x
    x = 908,881,234,522.56/1,107,151.20
  6. Step 6: Final answer
    x = 820,918.80

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1.5x scale

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.