Home / 1,015,815.20-1,523,735.76-700,187.36

Finding the Fourth Proportional to 1,015,815.20, 1,523,735.76 and 700,187.36

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Solution

The fourth proportional to 1,015,815.20, 1,523,735.76 and 700,187.36 is: 1,050,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,815.20 : 1,523,735.76 = 700,187.36 : x
  2. Step 2: Convert to fraction form
    1,015,815.20/1,523,735.76 = 700,187.36/x
  3. Step 3: Cross multiply
    1,015,815.20x = 1,523,735.76 × 700,187.36
  4. Step 4: Simplify right side
    1,015,815.20x = 1,066,900,519,131.99
  5. Step 5: Solve for x
    x = 1,066,900,519,131.99/1,015,815.20
  6. Step 6: Final answer
    x = 1,050,289.97

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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.