Home / 1,061,491.89-1,464,864.22-631,787.39

Finding the Fourth Proportional to 1,061,491.89, 1,464,864.22 and 631,787.39

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Solution

The fourth proportional to 1,061,491.89, 1,464,864.22 and 631,787.39 is: 871,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,491.89 : 1,464,864.22 = 631,787.39 : x
  2. Step 2: Convert to fraction form
    1,061,491.89/1,464,864.22 = 631,787.39/x
  3. Step 3: Cross multiply
    1,061,491.89x = 1,464,864.22 × 631,787.39
  4. Step 4: Simplify right side
    1,061,491.89x = 925,482,747,679.80
  5. Step 5: Solve for x
    x = 925,482,747,679.80/1,061,491.89
  6. Step 6: Final answer
    x = 871,869.83

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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.