Home / 1,258,894.42-1,737,274.55-685,934.60

Finding the Fourth Proportional to 1,258,894.42, 1,737,274.55 and 685,934.60

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Solution

The fourth proportional to 1,258,894.42, 1,737,274.55 and 685,934.60 is: 946,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,894.42 : 1,737,274.55 = 685,934.60 : x
  2. Step 2: Convert to fraction form
    1,258,894.42/1,737,274.55 = 685,934.60/x
  3. Step 3: Cross multiply
    1,258,894.42x = 1,737,274.55 × 685,934.60
  4. Step 4: Simplify right side
    1,258,894.42x = 1,191,656,723,544.43
  5. Step 5: Solve for x
    x = 1,191,656,723,544.43/1,258,894.42
  6. Step 6: Final answer
    x = 946,589.88

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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.