Home / 1,387,287.04-2,080,684.91-376,487.59

Finding the Fourth Proportional to 1,387,287.04, 2,080,684.91 and 376,487.59

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Solution

The fourth proportional to 1,387,287.04, 2,080,684.91 and 376,487.59 is: 564,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,287.04 : 2,080,684.91 = 376,487.59 : x
  2. Step 2: Convert to fraction form
    1,387,287.04/2,080,684.91 = 376,487.59/x
  3. Step 3: Cross multiply
    1,387,287.04x = 2,080,684.91 × 376,487.59
  4. Step 4: Simplify right side
    1,387,287.04x = 783,352,040,231.12
  5. Step 5: Solve for x
    x = 783,352,040,231.12/1,387,287.04
  6. Step 6: Final answer
    x = 564,664.72

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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.