Home / 917,835.20-1,375,408.20-823,065.20

Finding the Fourth Proportional to 917,835.20, 1,375,408.20 and 823,065.20

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Solution

The fourth proportional to 917,835.20, 1,375,408.20 and 823,065.20 is: 1,233,392.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,835.20 : 1,375,408.20 = 823,065.20 : x
  2. Step 2: Convert to fraction form
    917,835.20/1,375,408.20 = 823,065.20/x
  3. Step 3: Cross multiply
    917,835.20x = 1,375,408.20 × 823,065.20
  4. Step 4: Simplify right side
    917,835.20x = 1,132,050,625,214.64
  5. Step 5: Solve for x
    x = 1,132,050,625,214.64/917,835.20
  6. Step 6: Final answer
    x = 1,233,392.04

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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.