Home / 1,299,023.11-1,792,690.14-726,064.75

Finding the Fourth Proportional to 1,299,023.11, 1,792,690.14 and 726,064.75

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Solution

The fourth proportional to 1,299,023.11, 1,792,690.14 and 726,064.75 is: 1,001,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,023.11 : 1,792,690.14 = 726,064.75 : x
  2. Step 2: Convert to fraction form
    1,299,023.11/1,792,690.14 = 726,064.75/x
  3. Step 3: Cross multiply
    1,299,023.11x = 1,792,690.14 × 726,064.75
  4. Step 4: Simplify right side
    1,299,023.11x = 1,301,609,118,326.57
  5. Step 5: Solve for x
    x = 1,301,609,118,326.57/1,299,023.11
  6. Step 6: Final answer
    x = 1,001,990.73

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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.