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Finding the Fourth Proportional to 963,443.20, 1,443,609.60 and 804,812.80

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Solution

The fourth proportional to 963,443.20, 1,443,609.60 and 804,812.80 is: 1,205,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,443.20 : 1,443,609.60 = 804,812.80 : x
  2. Step 2: Convert to fraction form
    963,443.20/1,443,609.60 = 804,812.80/x
  3. Step 3: Cross multiply
    963,443.20x = 1,443,609.60 × 804,812.80
  4. Step 4: Simplify right side
    963,443.20x = 1,161,835,484,282.88
  5. Step 5: Solve for x
    x = 1,161,835,484,282.88/963,443.20
  6. Step 6: Final answer
    x = 1,205,920.06

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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.