Home / 1,376,687.30-2,064,321.88-617,878.26

Finding the Fourth Proportional to 1,376,687.30, 2,064,321.88 and 617,878.26

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Solution

The fourth proportional to 1,376,687.30, 2,064,321.88 and 617,878.26 is: 926,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,687.30 : 2,064,321.88 = 617,878.26 : x
  2. Step 2: Convert to fraction form
    1,376,687.30/2,064,321.88 = 617,878.26/x
  3. Step 3: Cross multiply
    1,376,687.30x = 2,064,321.88 × 617,878.26
  4. Step 4: Simplify right side
    1,376,687.30x = 1,275,499,617,095.80
  5. Step 5: Solve for x
    x = 1,275,499,617,095.80/1,376,687.30
  6. Step 6: Final answer
    x = 926,499.15

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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.