Home / 1,223,199.70-1,834,799.55-744,902.80

Finding the Fourth Proportional to 1,223,199.70, 1,834,799.55 and 744,902.80

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Solution

The fourth proportional to 1,223,199.70, 1,834,799.55 and 744,902.80 is: 1,117,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,199.70 : 1,834,799.55 = 744,902.80 : x
  2. Step 2: Convert to fraction form
    1,223,199.70/1,834,799.55 = 744,902.80/x
  3. Step 3: Cross multiply
    1,223,199.70x = 1,834,799.55 × 744,902.80
  4. Step 4: Simplify right side
    1,223,199.70x = 1,366,747,322,233.74
  5. Step 5: Solve for x
    x = 1,366,747,322,233.74/1,223,199.70
  6. Step 6: Final answer
    x = 1,117,354.20

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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.