Home / 1,219,301.80-1,682,618.28-675,435.92

Finding the Fourth Proportional to 1,219,301.80, 1,682,618.28 and 675,435.92

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Solution

The fourth proportional to 1,219,301.80, 1,682,618.28 and 675,435.92 is: 932,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,301.80 : 1,682,618.28 = 675,435.92 : x
  2. Step 2: Convert to fraction form
    1,219,301.80/1,682,618.28 = 675,435.92/x
  3. Step 3: Cross multiply
    1,219,301.80x = 1,682,618.28 × 675,435.92
  4. Step 4: Simplify right side
    1,219,301.80x = 1,136,500,825,960.62
  5. Step 5: Solve for x
    x = 1,136,500,825,960.62/1,219,301.80
  6. Step 6: Final answer
    x = 932,091.49

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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.