Home / 1,415,522.88-2,123,284.32-418,173.12

Finding the Fourth Proportional to 1,415,522.88, 2,123,284.32 and 418,173.12

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Solution

The fourth proportional to 1,415,522.88, 2,123,284.32 and 418,173.12 is: 627,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,522.88 : 2,123,284.32 = 418,173.12 : x
  2. Step 2: Convert to fraction form
    1,415,522.88/2,123,284.32 = 418,173.12/x
  3. Step 3: Cross multiply
    1,415,522.88x = 2,123,284.32 × 418,173.12
  4. Step 4: Simplify right side
    1,415,522.88x = 887,900,428,741.48
  5. Step 5: Solve for x
    x = 887,900,428,741.48/1,415,522.88
  6. Step 6: Final answer
    x = 627,259.68

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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.