Home / 1,259,812.60-1,738,466.48-715,872.90

Finding the Fourth Proportional to 1,259,812.60, 1,738,466.48 and 715,872.90

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Solution

The fourth proportional to 1,259,812.60, 1,738,466.48 and 715,872.90 is: 987,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,812.60 : 1,738,466.48 = 715,872.90 : x
  2. Step 2: Convert to fraction form
    1,259,812.60/1,738,466.48 = 715,872.90/x
  3. Step 3: Cross multiply
    1,259,812.60x = 1,738,466.48 × 715,872.90
  4. Step 4: Simplify right side
    1,259,812.60x = 1,244,521,040,590.39
  5. Step 5: Solve for x
    x = 1,244,521,040,590.39/1,259,812.60
  6. Step 6: Final answer
    x = 987,862.04

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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.