Home / 974,744.53-1,462,120.90-639,903.90

Finding the Fourth Proportional to 974,744.53, 1,462,120.90 and 639,903.90

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Solution

The fourth proportional to 974,744.53, 1,462,120.90 and 639,903.90 is: 959,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,744.53 : 1,462,120.90 = 639,903.90 : x
  2. Step 2: Convert to fraction form
    974,744.53/1,462,120.90 = 639,903.90/x
  3. Step 3: Cross multiply
    974,744.53x = 1,462,120.90 × 639,903.90
  4. Step 4: Simplify right side
    974,744.53x = 935,616,863,640.00
  5. Step 5: Solve for x
    x = 935,616,863,640.00/974,744.53
  6. Step 6: Final answer
    x = 959,858.54

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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.