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Finding the Fourth Proportional to 1,333,223.62, 1,839,847.40 and 752,568.98

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Solution

The fourth proportional to 1,333,223.62, 1,839,847.40 and 752,568.98 is: 1,038,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,223.62 : 1,839,847.40 = 752,568.98 : x
  2. Step 2: Convert to fraction form
    1,333,223.62/1,839,847.40 = 752,568.98/x
  3. Step 3: Cross multiply
    1,333,223.62x = 1,839,847.40 × 752,568.98
  4. Step 4: Simplify right side
    1,333,223.62x = 1,384,612,071,033.70
  5. Step 5: Solve for x
    x = 1,384,612,071,033.70/1,333,223.62
  6. Step 6: Final answer
    x = 1,038,544.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.