Home / 817,024.20-1,225,536.30-685,148.10

Finding the Fourth Proportional to 817,024.20, 1,225,536.30 and 685,148.10

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Solution

The fourth proportional to 817,024.20, 1,225,536.30 and 685,148.10 is: 1,027,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,024.20 : 1,225,536.30 = 685,148.10 : x
  2. Step 2: Convert to fraction form
    817,024.20/1,225,536.30 = 685,148.10/x
  3. Step 3: Cross multiply
    817,024.20x = 1,225,536.30 × 685,148.10
  4. Step 4: Simplify right side
    817,024.20x = 839,673,867,426.03
  5. Step 5: Solve for x
    x = 839,673,867,426.03/817,024.20
  6. Step 6: Final answer
    x = 1,027,722.15

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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.