Home / 1,315,077.97-1,970,873.04-675,355.83

Finding the Fourth Proportional to 1,315,077.97, 1,970,873.04 and 675,355.83

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Solution

The fourth proportional to 1,315,077.97, 1,970,873.04 and 675,355.83 is: 1,012,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,077.97 : 1,970,873.04 = 675,355.83 : x
  2. Step 2: Convert to fraction form
    1,315,077.97/1,970,873.04 = 675,355.83/x
  3. Step 3: Cross multiply
    1,315,077.97x = 1,970,873.04 × 675,355.83
  4. Step 4: Simplify right side
    1,315,077.97x = 1,331,040,597,753.82
  5. Step 5: Solve for x
    x = 1,331,040,597,753.82/1,315,077.97
  6. Step 6: Final answer
    x = 1,012,138.16

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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.