Home / 1,002,353.40-1,504,813.68-861,102.36

Finding the Fourth Proportional to 1,002,353.40, 1,504,813.68 and 861,102.36

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Solution

The fourth proportional to 1,002,353.40, 1,504,813.68 and 861,102.36 is: 1,292,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,353.40 : 1,504,813.68 = 861,102.36 : x
  2. Step 2: Convert to fraction form
    1,002,353.40/1,504,813.68 = 861,102.36/x
  3. Step 3: Cross multiply
    1,002,353.40x = 1,504,813.68 × 861,102.36
  4. Step 4: Simplify right side
    1,002,353.40x = 1,295,798,611,208.28
  5. Step 5: Solve for x
    x = 1,295,798,611,208.28/1,002,353.40
  6. Step 6: Final answer
    x = 1,292,756.24

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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.