Home / 1,672,034.40-2,307,382.20-908,081.28

Finding the Fourth Proportional to 1,672,034.40, 2,307,382.20 and 908,081.28

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Solution

The fourth proportional to 1,672,034.40, 2,307,382.20 and 908,081.28 is: 1,253,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,034.40 : 2,307,382.20 = 908,081.28 : x
  2. Step 2: Convert to fraction form
    1,672,034.40/2,307,382.20 = 908,081.28/x
  3. Step 3: Cross multiply
    1,672,034.40x = 2,307,382.20 × 908,081.28
  4. Step 4: Simplify right side
    1,672,034.40x = 2,095,290,581,625.22
  5. Step 5: Solve for x
    x = 2,095,290,581,625.22/1,672,034.40
  6. Step 6: Final answer
    x = 1,253,138.44

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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.