Home / 1,343,719.22-2,010,844.86-838,517.96

Finding the Fourth Proportional to 1,343,719.22, 2,010,844.86 and 838,517.96

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Solution

The fourth proportional to 1,343,719.22, 2,010,844.86 and 838,517.96 is: 1,254,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,719.22 : 2,010,844.86 = 838,517.96 : x
  2. Step 2: Convert to fraction form
    1,343,719.22/2,010,844.86 = 838,517.96/x
  3. Step 3: Cross multiply
    1,343,719.22x = 2,010,844.86 × 838,517.96
  4. Step 4: Simplify right side
    1,343,719.22x = 1,686,129,519,829.46
  5. Step 5: Solve for x
    x = 1,686,129,519,829.46/1,343,719.22
  6. Step 6: Final answer
    x = 1,254,822.81

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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.