Home / 1,297,202.12-1,790,003.13-753,231.87

Finding the Fourth Proportional to 1,297,202.12, 1,790,003.13 and 753,231.87

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Solution

The fourth proportional to 1,297,202.12, 1,790,003.13 and 753,231.87 is: 1,039,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,202.12 : 1,790,003.13 = 753,231.87 : x
  2. Step 2: Convert to fraction form
    1,297,202.12/1,790,003.13 = 753,231.87/x
  3. Step 3: Cross multiply
    1,297,202.12x = 1,790,003.13 × 753,231.87
  4. Step 4: Simplify right side
    1,297,202.12x = 1,348,287,404,915.75
  5. Step 5: Solve for x
    x = 1,348,287,404,915.75/1,297,202.12
  6. Step 6: Final answer
    x = 1,039,381.13

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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.