Home / 1,309,073.92-1,960,461.60-746,402.56

Finding the Fourth Proportional to 1,309,073.92, 1,960,461.60 and 746,402.56

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Solution

The fourth proportional to 1,309,073.92, 1,960,461.60 and 746,402.56 is: 1,117,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,073.92 : 1,960,461.60 = 746,402.56 : x
  2. Step 2: Convert to fraction form
    1,309,073.92/1,960,461.60 = 746,402.56/x
  3. Step 3: Cross multiply
    1,309,073.92x = 1,960,461.60 × 746,402.56
  4. Step 4: Simplify right side
    1,309,073.92x = 1,463,293,557,021.70
  5. Step 5: Solve for x
    x = 1,463,293,557,021.70/1,309,073.92
  6. Step 6: Final answer
    x = 1,117,808.20

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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.