Home / 1,287,689.38-1,932,805.95-966,725.26

Finding the Fourth Proportional to 1,287,689.38, 1,932,805.95 and 966,725.26

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Solution

The fourth proportional to 1,287,689.38, 1,932,805.95 and 966,725.26 is: 1,451,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,689.38 : 1,932,805.95 = 966,725.26 : x
  2. Step 2: Convert to fraction form
    1,287,689.38/1,932,805.95 = 966,725.26/x
  3. Step 3: Cross multiply
    1,287,689.38x = 1,932,805.95 × 966,725.26
  4. Step 4: Simplify right side
    1,287,689.38x = 1,868,492,334,543.30
  5. Step 5: Solve for x
    x = 1,868,492,334,543.30/1,287,689.38
  6. Step 6: Final answer
    x = 1,451,042.75

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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.