Home / 1,212,478.27-1,819,330.58-807,945.91

Finding the Fourth Proportional to 1,212,478.27, 1,819,330.58 and 807,945.91

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Solution

The fourth proportional to 1,212,478.27, 1,819,330.58 and 807,945.91 is: 1,212,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,478.27 : 1,819,330.58 = 807,945.91 : x
  2. Step 2: Convert to fraction form
    1,212,478.27/1,819,330.58 = 807,945.91/x
  3. Step 3: Cross multiply
    1,212,478.27x = 1,819,330.58 × 807,945.91
  4. Step 4: Simplify right side
    1,212,478.27x = 1,469,920,701,048.93
  5. Step 5: Solve for x
    x = 1,469,920,701,048.93/1,212,478.27
  6. Step 6: Final answer
    x = 1,212,327.46

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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.