Home / 1,092,081.12-1,638,115.20-282,465.60

Finding the Fourth Proportional to 1,092,081.12, 1,638,115.20 and 282,465.60

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Solution

The fourth proportional to 1,092,081.12, 1,638,115.20 and 282,465.60 is: 423,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,081.12 : 1,638,115.20 = 282,465.60 : x
  2. Step 2: Convert to fraction form
    1,092,081.12/1,638,115.20 = 282,465.60/x
  3. Step 3: Cross multiply
    1,092,081.12x = 1,638,115.20 × 282,465.60
  4. Step 4: Simplify right side
    1,092,081.12x = 462,711,192,837.12
  5. Step 5: Solve for x
    x = 462,711,192,837.12/1,092,081.12
  6. Step 6: Final answer
    x = 423,696.72

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Double scale
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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.