Home / 1,315,431.38-1,973,202.44-416,908.58

Finding the Fourth Proportional to 1,315,431.38, 1,973,202.44 and 416,908.58

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Solution

The fourth proportional to 1,315,431.38, 1,973,202.44 and 416,908.58 is: 625,380.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,431.38 : 1,973,202.44 = 416,908.58 : x
  2. Step 2: Convert to fraction form
    1,315,431.38/1,973,202.44 = 416,908.58/x
  3. Step 3: Cross multiply
    1,315,431.38x = 1,973,202.44 × 416,908.58
  4. Step 4: Simplify right side
    1,315,431.38x = 822,645,015,362.38
  5. Step 5: Solve for x
    x = 822,645,015,362.38/1,315,431.38
  6. Step 6: Final answer
    x = 625,380.41

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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.