Home / 1,059,157.48-1,589,868.06-428,483.56

Finding the Fourth Proportional to 1,059,157.48, 1,589,868.06 and 428,483.56

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Solution

The fourth proportional to 1,059,157.48, 1,589,868.06 and 428,483.56 is: 643,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,157.48 : 1,589,868.06 = 428,483.56 : x
  2. Step 2: Convert to fraction form
    1,059,157.48/1,589,868.06 = 428,483.56/x
  3. Step 3: Cross multiply
    1,059,157.48x = 1,589,868.06 × 428,483.56
  4. Step 4: Simplify right side
    1,059,157.48x = 681,232,326,279.09
  5. Step 5: Solve for x
    x = 681,232,326,279.09/1,059,157.48
  6. Step 6: Final answer
    x = 643,183.23

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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.