Home / 1,320,245.48-1,980,472.86-373,622.12

Finding the Fourth Proportional to 1,320,245.48, 1,980,472.86 and 373,622.12

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Solution

The fourth proportional to 1,320,245.48, 1,980,472.86 and 373,622.12 is: 560,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,245.48 : 1,980,472.86 = 373,622.12 : x
  2. Step 2: Convert to fraction form
    1,320,245.48/1,980,472.86 = 373,622.12/x
  3. Step 3: Cross multiply
    1,320,245.48x = 1,980,472.86 × 373,622.12
  4. Step 4: Simplify right side
    1,320,245.48x = 739,948,468,555.66
  5. Step 5: Solve for x
    x = 739,948,468,555.66/1,320,245.48
  6. Step 6: Final answer
    x = 560,462.79

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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.