Home / 1,270,823-1,754,129.40-818,114

Finding the Fourth Proportional to 1,270,823, 1,754,129.40 and 818,114

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Solution

The fourth proportional to 1,270,823, 1,754,129.40 and 818,114 is: 1,129,250.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,823 : 1,754,129.40 = 818,114 : x
  2. Step 2: Convert to fraction form
    1,270,823/1,754,129.40 = 818,114/x
  3. Step 3: Cross multiply
    1,270,823x = 1,754,129.40 × 818,114
  4. Step 4: Simplify right side
    1,270,823x = 1,435,077,819,951.60
  5. Step 5: Solve for x
    x = 1,435,077,819,951.60/1,270,823
  6. Step 6: Final answer
    x = 1,129,250.75

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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.