Home / 1,259,216.78-1,737,506.34-707,859.02

Finding the Fourth Proportional to 1,259,216.78, 1,737,506.34 and 707,859.02

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Solution

The fourth proportional to 1,259,216.78, 1,737,506.34 and 707,859.02 is: 976,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,216.78 : 1,737,506.34 = 707,859.02 : x
  2. Step 2: Convert to fraction form
    1,259,216.78/1,737,506.34 = 707,859.02/x
  3. Step 3: Cross multiply
    1,259,216.78x = 1,737,506.34 × 707,859.02
  4. Step 4: Simplify right side
    1,259,216.78x = 1,229,909,535,076.19
  5. Step 5: Solve for x
    x = 1,229,909,535,076.19/1,259,216.78
  6. Step 6: Final answer
    x = 976,725.81

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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.