Home / 1,278,792.34-1,764,470-734,823.04

Finding the Fourth Proportional to 1,278,792.34, 1,764,470 and 734,823.04

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Solution

The fourth proportional to 1,278,792.34, 1,764,470 and 734,823.04 is: 1,013,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,792.34 : 1,764,470 = 734,823.04 : x
  2. Step 2: Convert to fraction form
    1,278,792.34/1,764,470 = 734,823.04/x
  3. Step 3: Cross multiply
    1,278,792.34x = 1,764,470 × 734,823.04
  4. Step 4: Simplify right side
    1,278,792.34x = 1,296,573,209,388.80
  5. Step 5: Solve for x
    x = 1,296,573,209,388.80/1,278,792.34
  6. Step 6: Final answer
    x = 1,013,904.42

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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.