Home / 1,078,402.92-1,616,292.54-762,950.76

Finding the Fourth Proportional to 1,078,402.92, 1,616,292.54 and 762,950.76

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Solution

The fourth proportional to 1,078,402.92, 1,616,292.54 and 762,950.76 is: 1,143,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,402.92 : 1,616,292.54 = 762,950.76 : x
  2. Step 2: Convert to fraction form
    1,078,402.92/1,616,292.54 = 762,950.76/x
  3. Step 3: Cross multiply
    1,078,402.92x = 1,616,292.54 × 762,950.76
  4. Step 4: Simplify right side
    1,078,402.92x = 1,233,151,621,775.33
  5. Step 5: Solve for x
    x = 1,233,151,621,775.33/1,078,402.92
  6. Step 6: Final answer
    x = 1,143,498.04

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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.