Home / 1,555,696.38-2,146,861.02-876,657.18

Finding the Fourth Proportional to 1,555,696.38, 2,146,861.02 and 876,657.18

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Solution

The fourth proportional to 1,555,696.38, 2,146,861.02 and 876,657.18 is: 1,209,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,696.38 : 2,146,861.02 = 876,657.18 : x
  2. Step 2: Convert to fraction form
    1,555,696.38/2,146,861.02 = 876,657.18/x
  3. Step 3: Cross multiply
    1,555,696.38x = 2,146,861.02 × 876,657.18
  4. Step 4: Simplify right side
    1,555,696.38x = 1,882,061,127,645.12
  5. Step 5: Solve for x
    x = 1,882,061,127,645.12/1,555,696.38
  6. Step 6: Final answer
    x = 1,209,786.92

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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.