Home / 1,378,609.55-1,902,347.90-797,716.80

Finding the Fourth Proportional to 1,378,609.55, 1,902,347.90 and 797,716.80

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Solution

The fourth proportional to 1,378,609.55, 1,902,347.90 and 797,716.80 is: 1,100,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,609.55 : 1,902,347.90 = 797,716.80 : x
  2. Step 2: Convert to fraction form
    1,378,609.55/1,902,347.90 = 797,716.80/x
  3. Step 3: Cross multiply
    1,378,609.55x = 1,902,347.90 × 797,716.80
  4. Step 4: Simplify right side
    1,378,609.55x = 1,517,534,875,286.14
  5. Step 5: Solve for x
    x = 1,517,534,875,286.14/1,378,609.55
  6. Step 6: Final answer
    x = 1,100,772.06

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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.