Home / 1,082,021.31-1,623,179.52-450,787.50

Finding the Fourth Proportional to 1,082,021.31, 1,623,179.52 and 450,787.50

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Solution

The fourth proportional to 1,082,021.31, 1,623,179.52 and 450,787.50 is: 676,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,021.31 : 1,623,179.52 = 450,787.50 : x
  2. Step 2: Convert to fraction form
    1,082,021.31/1,623,179.52 = 450,787.50/x
  3. Step 3: Cross multiply
    1,082,021.31x = 1,623,179.52 × 450,787.50
  4. Step 4: Simplify right side
    1,082,021.31x = 731,709,037,872
  5. Step 5: Solve for x
    x = 731,709,037,872/1,082,021.31
  6. Step 6: Final answer
    x = 676,242.72

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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.