Home / 1,171,680.72-1,755,801.60-660,341.32

Finding the Fourth Proportional to 1,171,680.72, 1,755,801.60 and 660,341.32

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Solution

The fourth proportional to 1,171,680.72, 1,755,801.60 and 660,341.32 is: 989,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,680.72 : 1,755,801.60 = 660,341.32 : x
  2. Step 2: Convert to fraction form
    1,171,680.72/1,755,801.60 = 660,341.32/x
  3. Step 3: Cross multiply
    1,171,680.72x = 1,755,801.60 × 660,341.32
  4. Step 4: Simplify right side
    1,171,680.72x = 1,159,428,346,202.11
  5. Step 5: Solve for x
    x = 1,159,428,346,202.11/1,171,680.72
  6. Step 6: Final answer
    x = 989,542.91

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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.