Home / 1,302,364.39-1,952,789.22-492,811.31

Finding the Fourth Proportional to 1,302,364.39, 1,952,789.22 and 492,811.31

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Solution

The fourth proportional to 1,302,364.39, 1,952,789.22 and 492,811.31 is: 738,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,364.39 : 1,952,789.22 = 492,811.31 : x
  2. Step 2: Convert to fraction form
    1,302,364.39/1,952,789.22 = 492,811.31/x
  3. Step 3: Cross multiply
    1,302,364.39x = 1,952,789.22 × 492,811.31
  4. Step 4: Simplify right side
    1,302,364.39x = 962,356,609,253.27
  5. Step 5: Solve for x
    x = 962,356,609,253.27/1,302,364.39
  6. Step 6: Final answer
    x = 738,930.38

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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.