Home / 1,387,088.46-2,078,805.85-587,380.47

Finding the Fourth Proportional to 1,387,088.46, 2,078,805.85 and 587,380.47

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Solution

The fourth proportional to 1,387,088.46, 2,078,805.85 and 587,380.47 is: 880,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,088.46 : 2,078,805.85 = 587,380.47 : x
  2. Step 2: Convert to fraction form
    1,387,088.46/2,078,805.85 = 587,380.47/x
  3. Step 3: Cross multiply
    1,387,088.46x = 2,078,805.85 × 587,380.47
  4. Step 4: Simplify right side
    1,387,088.46x = 1,221,049,946,817.72
  5. Step 5: Solve for x
    x = 1,221,049,946,817.72/1,387,088.46
  6. Step 6: Final answer
    x = 880,297.10

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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.