Home / 1,442,458.06-2,161,775.86-767,085.12

Finding the Fourth Proportional to 1,442,458.06, 2,161,775.86 and 767,085.12

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Solution

The fourth proportional to 1,442,458.06, 2,161,775.86 and 767,085.12 is: 1,149,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,458.06 : 2,161,775.86 = 767,085.12 : x
  2. Step 2: Convert to fraction form
    1,442,458.06/2,161,775.86 = 767,085.12/x
  3. Step 3: Cross multiply
    1,442,458.06x = 2,161,775.86 × 767,085.12
  4. Step 4: Simplify right side
    1,442,458.06x = 1,658,266,093,063.49
  5. Step 5: Solve for x
    x = 1,658,266,093,063.49/1,442,458.06
  6. Step 6: Final answer
    x = 1,149,611.31

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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.