Home / 1,157,478.62-1,597,303.24-641,231.43

Finding the Fourth Proportional to 1,157,478.62, 1,597,303.24 and 641,231.43

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Solution

The fourth proportional to 1,157,478.62, 1,597,303.24 and 641,231.43 is: 884,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,478.62 : 1,597,303.24 = 641,231.43 : x
  2. Step 2: Convert to fraction form
    1,157,478.62/1,597,303.24 = 641,231.43/x
  3. Step 3: Cross multiply
    1,157,478.62x = 1,597,303.24 × 641,231.43
  4. Step 4: Simplify right side
    1,157,478.62x = 1,024,241,040,728.83
  5. Step 5: Solve for x
    x = 1,024,241,040,728.83/1,157,478.62
  6. Step 6: Final answer
    x = 884,889.81

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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.