Home / 1,340,079.29-2,010,513.35-487,137.49

Finding the Fourth Proportional to 1,340,079.29, 2,010,513.35 and 487,137.49

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Solution

The fourth proportional to 1,340,079.29, 2,010,513.35 and 487,137.49 is: 730,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,079.29 : 2,010,513.35 = 487,137.49 : x
  2. Step 2: Convert to fraction form
    1,340,079.29/2,010,513.35 = 487,137.49/x
  3. Step 3: Cross multiply
    1,340,079.29x = 2,010,513.35 × 487,137.49
  4. Step 4: Simplify right side
    1,340,079.29x = 979,396,424,494.80
  5. Step 5: Solve for x
    x = 979,396,424,494.80/1,340,079.29
  6. Step 6: Final answer
    x = 730,849.61

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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.