Home / 1,374,439.79-2,061,955.78-414,815.06

Finding the Fourth Proportional to 1,374,439.79, 2,061,955.78 and 414,815.06

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Solution

The fourth proportional to 1,374,439.79, 2,061,955.78 and 414,815.06 is: 622,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,439.79 : 2,061,955.78 = 414,815.06 : x
  2. Step 2: Convert to fraction form
    1,374,439.79/2,061,955.78 = 414,815.06/x
  3. Step 3: Cross multiply
    1,374,439.79x = 2,061,955.78 × 414,815.06
  4. Step 4: Simplify right side
    1,374,439.79x = 855,330,314,715.90
  5. Step 5: Solve for x
    x = 855,330,314,715.90/1,374,439.79
  6. Step 6: Final answer
    x = 622,311.96

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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.