Home / 1,474,928.40-2,035,439.25-830,371.67

Finding the Fourth Proportional to 1,474,928.40, 2,035,439.25 and 830,371.67

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Solution

The fourth proportional to 1,474,928.40, 2,035,439.25 and 830,371.67 is: 1,145,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,928.40 : 2,035,439.25 = 830,371.67 : x
  2. Step 2: Convert to fraction form
    1,474,928.40/2,035,439.25 = 830,371.67/x
  3. Step 3: Cross multiply
    1,474,928.40x = 2,035,439.25 × 830,371.67
  4. Step 4: Simplify right side
    1,474,928.40x = 1,690,171,079,028.85
  5. Step 5: Solve for x
    x = 1,690,171,079,028.85/1,474,928.40
  6. Step 6: Final answer
    x = 1,145,934.32

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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.