Home / 1,387,086.95-2,078,803.60-587,378.96

Finding the Fourth Proportional to 1,387,086.95, 2,078,803.60 and 587,378.96

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Solution

The fourth proportional to 1,387,086.95, 2,078,803.60 and 587,378.96 is: 880,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,086.95 : 2,078,803.60 = 587,378.96 : x
  2. Step 2: Convert to fraction form
    1,387,086.95/2,078,803.60 = 587,378.96/x
  3. Step 3: Cross multiply
    1,387,086.95x = 2,078,803.60 × 587,378.96
  4. Step 4: Simplify right side
    1,387,086.95x = 1,221,045,504,849.95
  5. Step 5: Solve for x
    x = 1,221,045,504,849.95/1,387,086.95
  6. Step 6: Final answer
    x = 880,294.85

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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.