Home / 1,340,165.22-2,010,248.25-487,078.47

Finding the Fourth Proportional to 1,340,165.22, 2,010,248.25 and 487,078.47

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Solution

The fourth proportional to 1,340,165.22, 2,010,248.25 and 487,078.47 is: 730,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,165.22 : 2,010,248.25 = 487,078.47 : x
  2. Step 2: Convert to fraction form
    1,340,165.22/2,010,248.25 = 487,078.47/x
  3. Step 3: Cross multiply
    1,340,165.22x = 2,010,248.25 × 487,078.47
  4. Step 4: Simplify right side
    1,340,165.22x = 979,148,641,930.18
  5. Step 5: Solve for x
    x = 979,148,641,930.18/1,340,165.22
  6. Step 6: Final answer
    x = 730,617.86

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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.