Home / 1,242,297.70-1,863,009.15-443,605.30

Finding the Fourth Proportional to 1,242,297.70, 1,863,009.15 and 443,605.30

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Solution

The fourth proportional to 1,242,297.70, 1,863,009.15 and 443,605.30 is: 665,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,297.70 : 1,863,009.15 = 443,605.30 : x
  2. Step 2: Convert to fraction form
    1,242,297.70/1,863,009.15 = 443,605.30/x
  3. Step 3: Cross multiply
    1,242,297.70x = 1,863,009.15 × 443,605.30
  4. Step 4: Simplify right side
    1,242,297.70x = 826,440,732,888.50
  5. Step 5: Solve for x
    x = 826,440,732,888.50/1,242,297.70
  6. Step 6: Final answer
    x = 665,251.76

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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.