Home / 1,780,062.94-2,455,882.57-1,005,580.63

Finding the Fourth Proportional to 1,780,062.94, 2,455,882.57 and 1,005,580.63

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Solution

The fourth proportional to 1,780,062.94, 2,455,882.57 and 1,005,580.63 is: 1,387,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,062.94 : 2,455,882.57 = 1,005,580.63 : x
  2. Step 2: Convert to fraction form
    1,780,062.94/2,455,882.57 = 1,005,580.63/x
  3. Step 3: Cross multiply
    1,780,062.94x = 2,455,882.57 × 1,005,580.63
  4. Step 4: Simplify right side
    1,780,062.94x = 2,469,587,941,946.62
  5. Step 5: Solve for x
    x = 2,469,587,941,946.62/1,780,062.94
  6. Step 6: Final answer
    x = 1,387,359.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.