Home / 1,299,019.06-1,792,573.98-718,208.60

Finding the Fourth Proportional to 1,299,019.06, 1,792,573.98 and 718,208.60

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Solution

The fourth proportional to 1,299,019.06, 1,792,573.98 and 718,208.60 is: 991,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,019.06 : 1,792,573.98 = 718,208.60 : x
  2. Step 2: Convert to fraction form
    1,299,019.06/1,792,573.98 = 718,208.60/x
  3. Step 3: Cross multiply
    1,299,019.06x = 1,792,573.98 × 718,208.60
  4. Step 4: Simplify right side
    1,299,019.06x = 1,287,442,048,572.23
  5. Step 5: Solve for x
    x = 1,287,442,048,572.23/1,299,019.06
  6. Step 6: Final answer
    x = 991,087.88

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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.