Home / 1,094,378.91-1,640,262.34-509,351.29

Finding the Fourth Proportional to 1,094,378.91, 1,640,262.34 and 509,351.29

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Solution

The fourth proportional to 1,094,378.91, 1,640,262.34 and 509,351.29 is: 763,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,378.91 : 1,640,262.34 = 509,351.29 : x
  2. Step 2: Convert to fraction form
    1,094,378.91/1,640,262.34 = 509,351.29/x
  3. Step 3: Cross multiply
    1,094,378.91x = 1,640,262.34 × 509,351.29
  4. Step 4: Simplify right side
    1,094,378.91x = 835,469,735,493.71
  5. Step 5: Solve for x
    x = 835,469,735,493.71/1,094,378.91
  6. Step 6: Final answer
    x = 763,419.08

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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.