Home / 1,215,489.24-1,823,235.22-316,930.22

Finding the Fourth Proportional to 1,215,489.24, 1,823,235.22 and 316,930.22

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Solution

The fourth proportional to 1,215,489.24, 1,823,235.22 and 316,930.22 is: 475,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,489.24 : 1,823,235.22 = 316,930.22 : x
  2. Step 2: Convert to fraction form
    1,215,489.24/1,823,235.22 = 316,930.22/x
  3. Step 3: Cross multiply
    1,215,489.24x = 1,823,235.22 × 316,930.22
  4. Step 4: Simplify right side
    1,215,489.24x = 577,838,330,270.17
  5. Step 5: Solve for x
    x = 577,838,330,270.17/1,215,489.24
  6. Step 6: Final answer
    x = 475,395.68

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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.