Home / 1,170,074.80-1,755,112.20-990,713.47

Finding the Fourth Proportional to 1,170,074.80, 1,755,112.20 and 990,713.47

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Solution

The fourth proportional to 1,170,074.80, 1,755,112.20 and 990,713.47 is: 1,486,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,074.80 : 1,755,112.20 = 990,713.47 : x
  2. Step 2: Convert to fraction form
    1,170,074.80/1,755,112.20 = 990,713.47/x
  3. Step 3: Cross multiply
    1,170,074.80x = 1,755,112.20 × 990,713.47
  4. Step 4: Simplify right side
    1,170,074.80x = 1,738,813,297,901.33
  5. Step 5: Solve for x
    x = 1,738,813,297,901.33/1,170,074.80
  6. Step 6: Final answer
    x = 1,486,070.21

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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.