Home / 1,162,314.56-1,743,572.16-320,866.40

Finding the Fourth Proportional to 1,162,314.56, 1,743,572.16 and 320,866.40

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Solution

The fourth proportional to 1,162,314.56, 1,743,572.16 and 320,866.40 is: 481,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,314.56 : 1,743,572.16 = 320,866.40 : x
  2. Step 2: Convert to fraction form
    1,162,314.56/1,743,572.16 = 320,866.40/x
  3. Step 3: Cross multiply
    1,162,314.56x = 1,743,572.16 × 320,866.40
  4. Step 4: Simplify right side
    1,162,314.56x = 559,453,722,119.42
  5. Step 5: Solve for x
    x = 559,453,722,119.42/1,162,314.56
  6. Step 6: Final answer
    x = 481,327.29

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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.