Home / 1,242,158.64-1,863,631.62-443,422.50

Finding the Fourth Proportional to 1,242,158.64, 1,863,631.62 and 443,422.50

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Solution

The fourth proportional to 1,242,158.64, 1,863,631.62 and 443,422.50 is: 665,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,158.64 : 1,863,631.62 = 443,422.50 : x
  2. Step 2: Convert to fraction form
    1,242,158.64/1,863,631.62 = 443,422.50/x
  3. Step 3: Cross multiply
    1,242,158.64x = 1,863,631.62 × 443,422.50
  4. Step 4: Simplify right side
    1,242,158.64x = 826,376,192,019.45
  5. Step 5: Solve for x
    x = 826,376,192,019.45/1,242,158.64
  6. Step 6: Final answer
    x = 665,274.28

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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.