Home / 1,299,002.67-1,792,551.01-718,191.97

Finding the Fourth Proportional to 1,299,002.67, 1,792,551.01 and 718,191.97

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Solution

The fourth proportional to 1,299,002.67, 1,792,551.01 and 718,191.97 is: 991,064.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,002.67 : 1,792,551.01 = 718,191.97 : x
  2. Step 2: Convert to fraction form
    1,299,002.67/1,792,551.01 = 718,191.97/x
  3. Step 3: Cross multiply
    1,299,002.67x = 1,792,551.01 × 718,191.97
  4. Step 4: Simplify right side
    1,299,002.67x = 1,287,395,736,267.14
  5. Step 5: Solve for x
    x = 1,287,395,736,267.14/1,299,002.67
  6. Step 6: Final answer
    x = 991,064.73

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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.