Home / 1,204,691.31-1,807,588.79-521,787.04

Finding the Fourth Proportional to 1,204,691.31, 1,807,588.79 and 521,787.04

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Solution

The fourth proportional to 1,204,691.31, 1,807,588.79 and 521,787.04 is: 782,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,691.31 : 1,807,588.79 = 521,787.04 : x
  2. Step 2: Convert to fraction form
    1,204,691.31/1,807,588.79 = 521,787.04/x
  3. Step 3: Cross multiply
    1,204,691.31x = 1,807,588.79 × 521,787.04
  4. Step 4: Simplify right side
    1,204,691.31x = 943,176,401,056.78
  5. Step 5: Solve for x
    x = 943,176,401,056.78/1,204,691.31
  6. Step 6: Final answer
    x = 782,919.57

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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.