Home / 1,170,657.09-1,755,134.04-790,635.78

Finding the Fourth Proportional to 1,170,657.09, 1,755,134.04 and 790,635.78

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Solution

The fourth proportional to 1,170,657.09, 1,755,134.04 and 790,635.78 is: 1,185,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,657.09 : 1,755,134.04 = 790,635.78 : x
  2. Step 2: Convert to fraction form
    1,170,657.09/1,755,134.04 = 790,635.78/x
  3. Step 3: Cross multiply
    1,170,657.09x = 1,755,134.04 × 790,635.78
  4. Step 4: Simplify right side
    1,170,657.09x = 1,387,671,770,719.95
  5. Step 5: Solve for x
    x = 1,387,671,770,719.95/1,170,657.09
  6. Step 6: Final answer
    x = 1,185,378.52

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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.