Home / 1,215,408.24-1,823,113.17-316,847.70

Finding the Fourth Proportional to 1,215,408.24, 1,823,113.17 and 316,847.70

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Solution

The fourth proportional to 1,215,408.24, 1,823,113.17 and 316,847.70 is: 475,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,408.24 : 1,823,113.17 = 316,847.70 : x
  2. Step 2: Convert to fraction form
    1,215,408.24/1,823,113.17 = 316,847.70/x
  3. Step 3: Cross multiply
    1,215,408.24x = 1,823,113.17 × 316,847.70
  4. Step 4: Simplify right side
    1,215,408.24x = 577,649,214,754.21
  5. Step 5: Solve for x
    x = 577,649,214,754.21/1,215,408.24
  6. Step 6: Final answer
    x = 475,271.76

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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.