Home / 1,299,079.52-1,792,657.32-718,269.02

Finding the Fourth Proportional to 1,299,079.52, 1,792,657.32 and 718,269.02

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Solution

The fourth proportional to 1,299,079.52, 1,792,657.32 and 718,269.02 is: 991,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,079.52 : 1,792,657.32 = 718,269.02 : x
  2. Step 2: Convert to fraction form
    1,299,079.52/1,792,657.32 = 718,269.02/x
  3. Step 3: Cross multiply
    1,299,079.52x = 1,792,657.32 × 718,269.02
  4. Step 4: Simplify right side
    1,299,079.52x = 1,287,610,216,432.23
  5. Step 5: Solve for x
    x = 1,287,610,216,432.23/1,299,079.52
  6. Step 6: Final answer
    x = 991,171.21

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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.