Home / 526,222.51-789,326.84-126,860.07

Finding the Fourth Proportional to 526,222.51, 789,326.84 and 126,860.07

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Solution

The fourth proportional to 526,222.51, 789,326.84 and 126,860.07 is: 190,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,222.51 : 789,326.84 = 126,860.07 : x
  2. Step 2: Convert to fraction form
    526,222.51/789,326.84 = 126,860.07/x
  3. Step 3: Cross multiply
    526,222.51x = 789,326.84 × 126,860.07
  4. Step 4: Simplify right side
    526,222.51x = 100,134,060,649.62
  5. Step 5: Solve for x
    x = 100,134,060,649.62/526,222.51
  6. Step 6: Final answer
    x = 190,288.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.