Home / 1,126,729.25-1,688,912.88-416,304.17

Finding the Fourth Proportional to 1,126,729.25, 1,688,912.88 and 416,304.17

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Solution

The fourth proportional to 1,126,729.25, 1,688,912.88 and 416,304.17 is: 624,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,729.25 : 1,688,912.88 = 416,304.17 : x
  2. Step 2: Convert to fraction form
    1,126,729.25/1,688,912.88 = 416,304.17/x
  3. Step 3: Cross multiply
    1,126,729.25x = 1,688,912.88 × 416,304.17
  4. Step 4: Simplify right side
    1,126,729.25x = 703,101,464,184.62
  5. Step 5: Solve for x
    x = 703,101,464,184.62/1,126,729.25
  6. Step 6: Final answer
    x = 624,019.89

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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.