Home / 1,314,480.40-1,972,069.92-415,938.12

Finding the Fourth Proportional to 1,314,480.40, 1,972,069.92 and 415,938.12

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Solution

The fourth proportional to 1,314,480.40, 1,972,069.92 and 415,938.12 is: 624,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,480.40 : 1,972,069.92 = 415,938.12 : x
  2. Step 2: Convert to fraction form
    1,314,480.40/1,972,069.92 = 415,938.12/x
  3. Step 3: Cross multiply
    1,314,480.40x = 1,972,069.92 × 415,938.12
  4. Step 4: Simplify right side
    1,314,480.40x = 820,259,055,033.35
  5. Step 5: Solve for x
    x = 820,259,055,033.35/1,314,480.40
  6. Step 6: Final answer
    x = 624,017.71

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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.