Home / 1,498,881.40-2,068,505.58-819,817.92

Finding the Fourth Proportional to 1,498,881.40, 2,068,505.58 and 819,817.92

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Solution

The fourth proportional to 1,498,881.40, 2,068,505.58 and 819,817.92 is: 1,131,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,881.40 : 2,068,505.58 = 819,817.92 : x
  2. Step 2: Convert to fraction form
    1,498,881.40/2,068,505.58 = 819,817.92/x
  3. Step 3: Cross multiply
    1,498,881.40x = 2,068,505.58 × 819,817.92
  4. Step 4: Simplify right side
    1,498,881.40x = 1,695,797,942,103.99
  5. Step 5: Solve for x
    x = 1,695,797,942,103.99/1,498,881.40
  6. Step 6: Final answer
    x = 1,131,375.67

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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.