Home / 1,360,010.21-1,876,888.80-787,234.91

Finding the Fourth Proportional to 1,360,010.21, 1,876,888.80 and 787,234.91

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Solution

The fourth proportional to 1,360,010.21, 1,876,888.80 and 787,234.91 is: 1,086,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,010.21 : 1,876,888.80 = 787,234.91 : x
  2. Step 2: Convert to fraction form
    1,360,010.21/1,876,888.80 = 787,234.91/x
  3. Step 3: Cross multiply
    1,360,010.21x = 1,876,888.80 × 787,234.91
  4. Step 4: Simplify right side
    1,360,010.21x = 1,477,552,376,163.56
  5. Step 5: Solve for x
    x = 1,477,552,376,163.56/1,360,010.21
  6. Step 6: Final answer
    x = 1,086,427.42

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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.