Home / 1,432,290-1,976,609.88-787,758.96

Finding the Fourth Proportional to 1,432,290, 1,976,609.88 and 787,758.96

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Solution

The fourth proportional to 1,432,290, 1,976,609.88 and 787,758.96 is: 1,087,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,290 : 1,976,609.88 = 787,758.96 : x
  2. Step 2: Convert to fraction form
    1,432,290/1,976,609.88 = 787,758.96/x
  3. Step 3: Cross multiply
    1,432,290x = 1,976,609.88 × 787,758.96
  4. Step 4: Simplify right side
    1,432,290x = 1,557,092,143,394.52
  5. Step 5: Solve for x
    x = 1,557,092,143,394.52/1,432,290
  6. Step 6: Final answer
    x = 1,087,134.69

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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.