Home / 1,170,661.59-1,755,140.79-790,640.28

Finding the Fourth Proportional to 1,170,661.59, 1,755,140.79 and 790,640.28

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Solution

The fourth proportional to 1,170,661.59, 1,755,140.79 and 790,640.28 is: 1,185,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,661.59 : 1,755,140.79 = 790,640.28 : x
  2. Step 2: Convert to fraction form
    1,170,661.59/1,755,140.79 = 790,640.28/x
  3. Step 3: Cross multiply
    1,170,661.59x = 1,755,140.79 × 790,640.28
  4. Step 4: Simplify right side
    1,170,661.59x = 1,387,685,005,645.02
  5. Step 5: Solve for x
    x = 1,387,685,005,645.02/1,170,661.59
  6. Step 6: Final answer
    x = 1,185,385.27

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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.