Home / 1,578,059.43-2,367,188.78-667,072.02

Finding the Fourth Proportional to 1,578,059.43, 2,367,188.78 and 667,072.02

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Solution

The fourth proportional to 1,578,059.43, 2,367,188.78 and 667,072.02 is: 1,000,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,059.43 : 2,367,188.78 = 667,072.02 : x
  2. Step 2: Convert to fraction form
    1,578,059.43/2,367,188.78 = 667,072.02/x
  3. Step 3: Cross multiply
    1,578,059.43x = 2,367,188.78 × 667,072.02
  4. Step 4: Simplify right side
    1,578,059.43x = 1,579,085,389,359.99
  5. Step 5: Solve for x
    x = 1,579,085,389,359.99/1,578,059.43
  6. Step 6: Final answer
    x = 1,000,650.14

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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.