Home / 1,170,083.80-1,755,125.70-990,722.46

Finding the Fourth Proportional to 1,170,083.80, 1,755,125.70 and 990,722.46

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Solution

The fourth proportional to 1,170,083.80, 1,755,125.70 and 990,722.46 is: 1,486,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,083.80 : 1,755,125.70 = 990,722.46 : x
  2. Step 2: Convert to fraction form
    1,170,083.80/1,755,125.70 = 990,722.46/x
  3. Step 3: Cross multiply
    1,170,083.80x = 1,755,125.70 × 990,722.46
  4. Step 4: Simplify right side
    1,170,083.80x = 1,738,842,451,113.22
  5. Step 5: Solve for x
    x = 1,738,842,451,113.22/1,170,083.80
  6. Step 6: Final answer
    x = 1,486,083.69

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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.