Home / 1,259,502.56-1,738,047.97-715,562.86

Finding the Fourth Proportional to 1,259,502.56, 1,738,047.97 and 715,562.86

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Solution

The fourth proportional to 1,259,502.56, 1,738,047.97 and 715,562.86 is: 987,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,502.56 : 1,738,047.97 = 715,562.86 : x
  2. Step 2: Convert to fraction form
    1,259,502.56/1,738,047.97 = 715,562.86/x
  3. Step 3: Cross multiply
    1,259,502.56x = 1,738,047.97 × 715,562.86
  4. Step 4: Simplify right side
    1,259,502.56x = 1,243,682,575,032.27
  5. Step 5: Solve for x
    x = 1,243,682,575,032.27/1,259,502.56
  6. Step 6: Final answer
    x = 987,439.49

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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.