Home / 1,305,812.70-1,958,719.05-744,903.90

Finding the Fourth Proportional to 1,305,812.70, 1,958,719.05 and 744,903.90

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Solution

The fourth proportional to 1,305,812.70, 1,958,719.05 and 744,903.90 is: 1,117,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,812.70 : 1,958,719.05 = 744,903.90 : x
  2. Step 2: Convert to fraction form
    1,305,812.70/1,958,719.05 = 744,903.90/x
  3. Step 3: Cross multiply
    1,305,812.70x = 1,958,719.05 × 744,903.90
  4. Step 4: Simplify right side
    1,305,812.70x = 1,459,057,459,349.30
  5. Step 5: Solve for x
    x = 1,459,057,459,349.30/1,305,812.70
  6. Step 6: Final answer
    x = 1,117,355.85

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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.