Home / 1,207,382.40-1,808,449.20-733,240.80

Finding the Fourth Proportional to 1,207,382.40, 1,808,449.20 and 733,240.80

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Solution

The fourth proportional to 1,207,382.40, 1,808,449.20 and 733,240.80 is: 1,098,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,382.40 : 1,808,449.20 = 733,240.80 : x
  2. Step 2: Convert to fraction form
    1,207,382.40/1,808,449.20 = 733,240.80/x
  3. Step 3: Cross multiply
    1,207,382.40x = 1,808,449.20 × 733,240.80
  4. Step 4: Simplify right side
    1,207,382.40x = 1,326,028,738,167.36
  5. Step 5: Solve for x
    x = 1,326,028,738,167.36/1,207,382.40
  6. Step 6: Final answer
    x = 1,098,267.41

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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.