Home / 1,247,834.75-1,722,011.93-674,874.92

Finding the Fourth Proportional to 1,247,834.75, 1,722,011.93 and 674,874.92

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Solution

The fourth proportional to 1,247,834.75, 1,722,011.93 and 674,874.92 is: 931,327.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,834.75 : 1,722,011.93 = 674,874.92 : x
  2. Step 2: Convert to fraction form
    1,247,834.75/1,722,011.93 = 674,874.92/x
  3. Step 3: Cross multiply
    1,247,834.75x = 1,722,011.93 × 674,874.92
  4. Step 4: Simplify right side
    1,247,834.75x = 1,162,142,651,513.36
  5. Step 5: Solve for x
    x = 1,162,142,651,513.36/1,247,834.75
  6. Step 6: Final answer
    x = 931,327.37

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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.