Home / 1,517,512.59-2,277,391.55-718,798.32

Finding the Fourth Proportional to 1,517,512.59, 2,277,391.55 and 718,798.32

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Solution

The fourth proportional to 1,517,512.59, 2,277,391.55 and 718,798.32 is: 1,078,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,512.59 : 2,277,391.55 = 718,798.32 : x
  2. Step 2: Convert to fraction form
    1,517,512.59/2,277,391.55 = 718,798.32/x
  3. Step 3: Cross multiply
    1,517,512.59x = 2,277,391.55 × 718,798.32
  4. Step 4: Simplify right side
    1,517,512.59x = 1,636,985,216,528.20
  5. Step 5: Solve for x
    x = 1,636,985,216,528.20/1,517,512.59
  6. Step 6: Final answer
    x = 1,078,729.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.