Home / 1,479,584.85-2,043,237.57-1,398,982.02

Finding the Fourth Proportional to 1,479,584.85, 2,043,237.57 and 1,398,982.02

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Solution

The fourth proportional to 1,479,584.85, 2,043,237.57 and 1,398,982.02 is: 1,931,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,584.85 : 2,043,237.57 = 1,398,982.02 : x
  2. Step 2: Convert to fraction form
    1,479,584.85/2,043,237.57 = 1,398,982.02/x
  3. Step 3: Cross multiply
    1,479,584.85x = 2,043,237.57 × 1,398,982.02
  4. Step 4: Simplify right side
    1,479,584.85x = 2,858,452,623,018.49
  5. Step 5: Solve for x
    x = 2,858,452,623,018.49/1,479,584.85
  6. Step 6: Final answer
    x = 1,931,928.83

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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.