Home / 1,078,839.06-1,617,758.01-629,689.20

Finding the Fourth Proportional to 1,078,839.06, 1,617,758.01 and 629,689.20

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Solution

The fourth proportional to 1,078,839.06, 1,617,758.01 and 629,689.20 is: 944,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,839.06 : 1,617,758.01 = 629,689.20 : x
  2. Step 2: Convert to fraction form
    1,078,839.06/1,617,758.01 = 629,689.20/x
  3. Step 3: Cross multiply
    1,078,839.06x = 1,617,758.01 × 629,689.20
  4. Step 4: Simplify right side
    1,078,839.06x = 1,018,684,747,110.49
  5. Step 5: Solve for x
    x = 1,018,684,747,110.49/1,078,839.06
  6. Step 6: Final answer
    x = 944,241.62

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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.