Home / 1,474,305.12-2,035,168.83-991,150.50

Finding the Fourth Proportional to 1,474,305.12, 2,035,168.83 and 991,150.50

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Solution

The fourth proportional to 1,474,305.12, 2,035,168.83 and 991,150.50 is: 1,368,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,305.12 : 2,035,168.83 = 991,150.50 : x
  2. Step 2: Convert to fraction form
    1,474,305.12/2,035,168.83 = 991,150.50/x
  3. Step 3: Cross multiply
    1,474,305.12x = 2,035,168.83 × 991,150.50
  4. Step 4: Simplify right side
    1,474,305.12x = 2,017,158,603,438.92
  5. Step 5: Solve for x
    x = 2,017,158,603,438.92/1,474,305.12
  6. Step 6: Final answer
    x = 1,368,209.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.