Home / 1,219,017.20-1,682,143.91-695,725.23

Finding the Fourth Proportional to 1,219,017.20, 1,682,143.91 and 695,725.23

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Solution

The fourth proportional to 1,219,017.20, 1,682,143.91 and 695,725.23 is: 960,043.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,017.20 : 1,682,143.91 = 695,725.23 : x
  2. Step 2: Convert to fraction form
    1,219,017.20/1,682,143.91 = 695,725.23/x
  3. Step 3: Cross multiply
    1,219,017.20x = 1,682,143.91 × 695,725.23
  4. Step 4: Simplify right side
    1,219,017.20x = 1,170,309,955,199.22
  5. Step 5: Solve for x
    x = 1,170,309,955,199.22/1,219,017.20
  6. Step 6: Final answer
    x = 960,043.85

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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.