Home / 1,402,396.56-2,103,948.54-391,517.64

Finding the Fourth Proportional to 1,402,396.56, 2,103,948.54 and 391,517.64

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Solution

The fourth proportional to 1,402,396.56, 2,103,948.54 and 391,517.64 is: 587,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,396.56 : 2,103,948.54 = 391,517.64 : x
  2. Step 2: Convert to fraction form
    1,402,396.56/2,103,948.54 = 391,517.64/x
  3. Step 3: Cross multiply
    1,402,396.56x = 2,103,948.54 × 391,517.64
  4. Step 4: Simplify right side
    1,402,396.56x = 823,732,967,062.25
  5. Step 5: Solve for x
    x = 823,732,967,062.25/1,402,396.56
  6. Step 6: Final answer
    x = 587,375.21

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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.