Home / 1,188,165.60-1,777,064.40-1,062,712.80

Finding the Fourth Proportional to 1,188,165.60, 1,777,064.40 and 1,062,712.80

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Solution

The fourth proportional to 1,188,165.60, 1,777,064.40 and 1,062,712.80 is: 1,589,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,165.60 : 1,777,064.40 = 1,062,712.80 : x
  2. Step 2: Convert to fraction form
    1,188,165.60/1,777,064.40 = 1,062,712.80/x
  3. Step 3: Cross multiply
    1,188,165.60x = 1,777,064.40 × 1,062,712.80
  4. Step 4: Simplify right side
    1,188,165.60x = 1,888,509,084,304.32
  5. Step 5: Solve for x
    x = 1,888,509,084,304.32/1,188,165.60
  6. Step 6: Final answer
    x = 1,589,432.55

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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.