Home / 1,121,853.47-1,548,151.66-612,552.20

Finding the Fourth Proportional to 1,121,853.47, 1,548,151.66 and 612,552.20

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Solution

The fourth proportional to 1,121,853.47, 1,548,151.66 and 612,552.20 is: 845,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,853.47 : 1,548,151.66 = 612,552.20 : x
  2. Step 2: Convert to fraction form
    1,121,853.47/1,548,151.66 = 612,552.20/x
  3. Step 3: Cross multiply
    1,121,853.47x = 1,548,151.66 × 612,552.20
  4. Step 4: Simplify right side
    1,121,853.47x = 948,323,705,266.65
  5. Step 5: Solve for x
    x = 948,323,705,266.65/1,121,853.47
  6. Step 6: Final answer
    x = 845,318.69

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Double scale
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1.5x scale

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.