Home / 1,299,023.73-1,792,580.29-718,213.23

Finding the Fourth Proportional to 1,299,023.73, 1,792,580.29 and 718,213.23

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Solution

The fourth proportional to 1,299,023.73, 1,792,580.29 and 718,213.23 is: 991,094.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,023.73 : 1,792,580.29 = 718,213.23 : x
  2. Step 2: Convert to fraction form
    1,299,023.73/1,792,580.29 = 718,213.23/x
  3. Step 3: Cross multiply
    1,299,023.73x = 1,792,580.29 × 718,213.23
  4. Step 4: Simplify right side
    1,299,023.73x = 1,287,454,878,319.70
  5. Step 5: Solve for x
    x = 1,287,454,878,319.70/1,299,023.73
  6. Step 6: Final answer
    x = 991,094.20

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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.