Home / 1,314,471.15-1,972,056.05-415,928.85

Finding the Fourth Proportional to 1,314,471.15, 1,972,056.05 and 415,928.85

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Solution

The fourth proportional to 1,314,471.15, 1,972,056.05 and 415,928.85 is: 624,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,471.15 : 1,972,056.05 = 415,928.85 : x
  2. Step 2: Convert to fraction form
    1,314,471.15/1,972,056.05 = 415,928.85/x
  3. Step 3: Cross multiply
    1,314,471.15x = 1,972,056.05 × 415,928.85
  4. Step 4: Simplify right side
    1,314,471.15x = 820,235,002,932.40
  5. Step 5: Solve for x
    x = 820,235,002,932.40/1,314,471.15
  6. Step 6: Final answer
    x = 624,003.81

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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.