Home / 1,259,882.10-1,738,628.55-715,975.20

Finding the Fourth Proportional to 1,259,882.10, 1,738,628.55 and 715,975.20

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Solution

The fourth proportional to 1,259,882.10, 1,738,628.55 and 715,975.20 is: 988,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,882.10 : 1,738,628.55 = 715,975.20 : x
  2. Step 2: Convert to fraction form
    1,259,882.10/1,738,628.55 = 715,975.20/x
  3. Step 3: Cross multiply
    1,259,882.10x = 1,738,628.55 × 715,975.20
  4. Step 4: Simplify right side
    1,259,882.10x = 1,244,814,923,811.96
  5. Step 5: Solve for x
    x = 1,244,814,923,811.96/1,259,882.10
  6. Step 6: Final answer
    x = 988,040.80

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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.