Home / 1,152,668.39-1,729,085.63-442,696.43

Finding the Fourth Proportional to 1,152,668.39, 1,729,085.63 and 442,696.43

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Solution

The fourth proportional to 1,152,668.39, 1,729,085.63 and 442,696.43 is: 664,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,668.39 : 1,729,085.63 = 442,696.43 : x
  2. Step 2: Convert to fraction form
    1,152,668.39/1,729,085.63 = 442,696.43/x
  3. Step 3: Cross multiply
    1,152,668.39x = 1,729,085.63 × 442,696.43
  4. Step 4: Simplify right side
    1,152,668.39x = 765,460,037,674.53
  5. Step 5: Solve for x
    x = 765,460,037,674.53/1,152,668.39
  6. Step 6: Final answer
    x = 664,076.54

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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.