Home / 1,055,999.60-1,583,999.40-960,153.20

Finding the Fourth Proportional to 1,055,999.60, 1,583,999.40 and 960,153.20

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Solution

The fourth proportional to 1,055,999.60, 1,583,999.40 and 960,153.20 is: 1,440,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,999.60 : 1,583,999.40 = 960,153.20 : x
  2. Step 2: Convert to fraction form
    1,055,999.60/1,583,999.40 = 960,153.20/x
  3. Step 3: Cross multiply
    1,055,999.60x = 1,583,999.40 × 960,153.20
  4. Step 4: Simplify right side
    1,055,999.60x = 1,520,882,092,708.08
  5. Step 5: Solve for x
    x = 1,520,882,092,708.08/1,055,999.60
  6. Step 6: Final answer
    x = 1,440,229.80

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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.