Home / 1,338,522.40-2,006,228.40-539,408.80

Finding the Fourth Proportional to 1,338,522.40, 2,006,228.40 and 539,408.80

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Solution

The fourth proportional to 1,338,522.40, 2,006,228.40 and 539,408.80 is: 808,486.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,522.40 : 2,006,228.40 = 539,408.80 : x
  2. Step 2: Convert to fraction form
    1,338,522.40/2,006,228.40 = 539,408.80/x
  3. Step 3: Cross multiply
    1,338,522.40x = 2,006,228.40 × 539,408.80
  4. Step 4: Simplify right side
    1,338,522.40x = 1,082,177,253,769.92
  5. Step 5: Solve for x
    x = 1,082,177,253,769.92/1,338,522.40
  6. Step 6: Final answer
    x = 808,486.47

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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.