Home / 1,014,685.88-1,397,076.54-861,420.92

Finding the Fourth Proportional to 1,014,685.88, 1,397,076.54 and 861,420.92

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Solution

The fourth proportional to 1,014,685.88, 1,397,076.54 and 861,420.92 is: 1,186,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,685.88 : 1,397,076.54 = 861,420.92 : x
  2. Step 2: Convert to fraction form
    1,014,685.88/1,397,076.54 = 861,420.92/x
  3. Step 3: Cross multiply
    1,014,685.88x = 1,397,076.54 × 861,420.92
  4. Step 4: Simplify right side
    1,014,685.88x = 1,203,470,958,397.22
  5. Step 5: Solve for x
    x = 1,203,470,958,397.22/1,014,685.88
  6. Step 6: Final answer
    x = 1,186,052.73

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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.