Home / 1,677,435.75-2,315,080.04-998,372.25

Finding the Fourth Proportional to 1,677,435.75, 2,315,080.04 and 998,372.25

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Solution

The fourth proportional to 1,677,435.75, 2,315,080.04 and 998,372.25 is: 1,377,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,435.75 : 2,315,080.04 = 998,372.25 : x
  2. Step 2: Convert to fraction form
    1,677,435.75/2,315,080.04 = 998,372.25/x
  3. Step 3: Cross multiply
    1,677,435.75x = 2,315,080.04 × 998,372.25
  4. Step 4: Simplify right side
    1,677,435.75x = 2,311,311,663,473.03
  5. Step 5: Solve for x
    x = 2,311,311,663,473.03/1,677,435.75
  6. Step 6: Final answer
    x = 1,377,883.87

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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.