Home / 1,243,258.80-1,864,888.20-994,426.80

Finding the Fourth Proportional to 1,243,258.80, 1,864,888.20 and 994,426.80

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Solution

The fourth proportional to 1,243,258.80, 1,864,888.20 and 994,426.80 is: 1,491,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,258.80 : 1,864,888.20 = 994,426.80 : x
  2. Step 2: Convert to fraction form
    1,243,258.80/1,864,888.20 = 994,426.80/x
  3. Step 3: Cross multiply
    1,243,258.80x = 1,864,888.20 × 994,426.80
  4. Step 4: Simplify right side
    1,243,258.80x = 1,854,494,805,083.76
  5. Step 5: Solve for x
    x = 1,854,494,805,083.76/1,243,258.80
  6. Step 6: Final answer
    x = 1,491,640.20

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Similar ratio
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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.