Home / 1,281,321.22-1,768,668.57-737,673.68

Finding the Fourth Proportional to 1,281,321.22, 1,768,668.57 and 737,673.68

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Solution

The fourth proportional to 1,281,321.22, 1,768,668.57 and 737,673.68 is: 1,018,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,321.22 : 1,768,668.57 = 737,673.68 : x
  2. Step 2: Convert to fraction form
    1,281,321.22/1,768,668.57 = 737,673.68/x
  3. Step 3: Cross multiply
    1,281,321.22x = 1,768,668.57 × 737,673.68
  4. Step 4: Simplify right side
    1,281,321.22x = 1,304,700,243,888.89
  5. Step 5: Solve for x
    x = 1,304,700,243,888.89/1,281,321.22
  6. Step 6: Final answer
    x = 1,018,246.03

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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.