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Finding the Fourth Proportional to 897,998.40, 1,346,997.60 and 866,505.60

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Solution

The fourth proportional to 897,998.40, 1,346,997.60 and 866,505.60 is: 1,299,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,998.40 : 1,346,997.60 = 866,505.60 : x
  2. Step 2: Convert to fraction form
    897,998.40/1,346,997.60 = 866,505.60/x
  3. Step 3: Cross multiply
    897,998.40x = 1,346,997.60 × 866,505.60
  4. Step 4: Simplify right side
    897,998.40x = 1,167,180,963,586.56
  5. Step 5: Solve for x
    x = 1,167,180,963,586.56/897,998.40
  6. Step 6: Final answer
    x = 1,299,758.40

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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.