Home / 1,219,064.75-1,828,451.53-320,576.48

Finding the Fourth Proportional to 1,219,064.75, 1,828,451.53 and 320,576.48

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Solution

The fourth proportional to 1,219,064.75, 1,828,451.53 and 320,576.48 is: 480,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,064.75 : 1,828,451.53 = 320,576.48 : x
  2. Step 2: Convert to fraction form
    1,219,064.75/1,828,451.53 = 320,576.48/x
  3. Step 3: Cross multiply
    1,219,064.75x = 1,828,451.53 × 320,576.48
  4. Step 4: Simplify right side
    1,219,064.75x = 586,158,544,592.87
  5. Step 5: Solve for x
    x = 586,158,544,592.87/1,219,064.75
  6. Step 6: Final answer
    x = 480,826.42

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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.