Home / 1,391,442.28-2,087,863.74-1,037,167.72

Finding the Fourth Proportional to 1,391,442.28, 2,087,863.74 and 1,037,167.72

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Solution

The fourth proportional to 1,391,442.28, 2,087,863.74 and 1,037,167.72 is: 1,556,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,442.28 : 2,087,863.74 = 1,037,167.72 : x
  2. Step 2: Convert to fraction form
    1,391,442.28/2,087,863.74 = 1,037,167.72/x
  3. Step 3: Cross multiply
    1,391,442.28x = 2,087,863.74 × 1,037,167.72
  4. Step 4: Simplify right side
    1,391,442.28x = 2,165,464,874,886.47
  5. Step 5: Solve for x
    x = 2,165,464,874,886.47/1,391,442.28
  6. Step 6: Final answer
    x = 1,556,273.59

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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.