Home / 1,231,309.40-1,846,964.10-433,491.80

Finding the Fourth Proportional to 1,231,309.40, 1,846,964.10 and 433,491.80

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Solution

The fourth proportional to 1,231,309.40, 1,846,964.10 and 433,491.80 is: 650,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,309.40 : 1,846,964.10 = 433,491.80 : x
  2. Step 2: Convert to fraction form
    1,231,309.40/1,846,964.10 = 433,491.80/x
  3. Step 3: Cross multiply
    1,231,309.40x = 1,846,964.10 × 433,491.80
  4. Step 4: Simplify right side
    1,231,309.40x = 800,643,792,244.38
  5. Step 5: Solve for x
    x = 800,643,792,244.38/1,231,309.40
  6. Step 6: Final answer
    x = 650,237.70

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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.