Home / 1,299,489.60-1,949,234.40-551,438.40

Finding the Fourth Proportional to 1,299,489.60, 1,949,234.40 and 551,438.40

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Solution

The fourth proportional to 1,299,489.60, 1,949,234.40 and 551,438.40 is: 827,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,489.60 : 1,949,234.40 = 551,438.40 : x
  2. Step 2: Convert to fraction form
    1,299,489.60/1,949,234.40 = 551,438.40/x
  3. Step 3: Cross multiply
    1,299,489.60x = 1,949,234.40 × 551,438.40
  4. Step 4: Simplify right side
    1,299,489.60x = 1,074,882,698,760.96
  5. Step 5: Solve for x
    x = 1,074,882,698,760.96/1,299,489.60
  6. Step 6: Final answer
    x = 827,157.60

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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.