Home / 1,039,764.60-1,560,230.10-440,623.80

Finding the Fourth Proportional to 1,039,764.60, 1,560,230.10 and 440,623.80

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Solution

The fourth proportional to 1,039,764.60, 1,560,230.10 and 440,623.80 is: 661,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,764.60 : 1,560,230.10 = 440,623.80 : x
  2. Step 2: Convert to fraction form
    1,039,764.60/1,560,230.10 = 440,623.80/x
  3. Step 3: Cross multiply
    1,039,764.60x = 1,560,230.10 × 440,623.80
  4. Step 4: Simplify right side
    1,039,764.60x = 687,474,515,536.38
  5. Step 5: Solve for x
    x = 687,474,515,536.38/1,039,764.60
  6. Step 6: Final answer
    x = 661,182.84

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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.