Home / 1,166,135.12-1,608,314.91-979,144.80

Finding the Fourth Proportional to 1,166,135.12, 1,608,314.91 and 979,144.80

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Solution

The fourth proportional to 1,166,135.12, 1,608,314.91 and 979,144.80 is: 1,350,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,135.12 : 1,608,314.91 = 979,144.80 : x
  2. Step 2: Convert to fraction form
    1,166,135.12/1,608,314.91 = 979,144.80/x
  3. Step 3: Cross multiply
    1,166,135.12x = 1,608,314.91 × 979,144.80
  4. Step 4: Simplify right side
    1,166,135.12x = 1,574,773,180,888.97
  5. Step 5: Solve for x
    x = 1,574,773,180,888.97/1,166,135.12
  6. Step 6: Final answer
    x = 1,350,420.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.