Home / 1,162,020.74-1,743,131.58-320,572.49

Finding the Fourth Proportional to 1,162,020.74, 1,743,131.58 and 320,572.49

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Solution

The fourth proportional to 1,162,020.74, 1,743,131.58 and 320,572.49 is: 480,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,020.74 : 1,743,131.58 = 320,572.49 : x
  2. Step 2: Convert to fraction form
    1,162,020.74/1,743,131.58 = 320,572.49/x
  3. Step 3: Cross multiply
    1,162,020.74x = 1,743,131.58 × 320,572.49
  4. Step 4: Simplify right side
    1,162,020.74x = 558,800,021,080.43
  5. Step 5: Solve for x
    x = 558,800,021,080.43/1,162,020.74
  6. Step 6: Final answer
    x = 480,886.45

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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.