Home / 1,040,366.40-1,559,383.20-441,225.60

Finding the Fourth Proportional to 1,040,366.40, 1,559,383.20 and 441,225.60

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Solution

The fourth proportional to 1,040,366.40, 1,559,383.20 and 441,225.60 is: 661,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,366.40 : 1,559,383.20 = 441,225.60 : x
  2. Step 2: Convert to fraction form
    1,040,366.40/1,559,383.20 = 441,225.60/x
  3. Step 3: Cross multiply
    1,040,366.40x = 1,559,383.20 × 441,225.60
  4. Step 4: Simplify right side
    1,040,366.40x = 688,039,788,049.92
  5. Step 5: Solve for x
    x = 688,039,788,049.92/1,040,366.40
  6. Step 6: Final answer
    x = 661,343.72

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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.