Home / 1,264,364.57-1,744,822.34-691,404.74

Finding the Fourth Proportional to 1,264,364.57, 1,744,822.34 and 691,404.74

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Solution

The fourth proportional to 1,264,364.57, 1,744,822.34 and 691,404.74 is: 954,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,364.57 : 1,744,822.34 = 691,404.74 : x
  2. Step 2: Convert to fraction form
    1,264,364.57/1,744,822.34 = 691,404.74/x
  3. Step 3: Cross multiply
    1,264,364.57x = 1,744,822.34 × 691,404.74
  4. Step 4: Simplify right side
    1,264,364.57x = 1,206,378,436,333.89
  5. Step 5: Solve for x
    x = 1,206,378,436,333.89/1,264,364.57
  6. Step 6: Final answer
    x = 954,138.13

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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.