Home / 1,023,622.20-1,535,298.90-313,721.40

Finding the Fourth Proportional to 1,023,622.20, 1,535,298.90 and 313,721.40

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Solution

The fourth proportional to 1,023,622.20, 1,535,298.90 and 313,721.40 is: 470,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,622.20 : 1,535,298.90 = 313,721.40 : x
  2. Step 2: Convert to fraction form
    1,023,622.20/1,535,298.90 = 313,721.40/x
  3. Step 3: Cross multiply
    1,023,622.20x = 1,535,298.90 × 313,721.40
  4. Step 4: Simplify right side
    1,023,622.20x = 481,656,120,326.46
  5. Step 5: Solve for x
    x = 481,656,120,326.46/1,023,622.20
  6. Step 6: Final answer
    x = 470,540.91

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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.