Home / 1,241,996.40-1,862,994.60-864,082.80

Finding the Fourth Proportional to 1,241,996.40, 1,862,994.60 and 864,082.80

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Solution

The fourth proportional to 1,241,996.40, 1,862,994.60 and 864,082.80 is: 1,296,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,996.40 : 1,862,994.60 = 864,082.80 : x
  2. Step 2: Convert to fraction form
    1,241,996.40/1,862,994.60 = 864,082.80/x
  3. Step 3: Cross multiply
    1,241,996.40x = 1,862,994.60 × 864,082.80
  4. Step 4: Simplify right side
    1,241,996.40x = 1,609,781,590,352.88
  5. Step 5: Solve for x
    x = 1,609,781,590,352.88/1,241,996.40
  6. Step 6: Final answer
    x = 1,296,124.20

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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.