Home / 1,502,100.99-2,072,982.38-857,728.17

Finding the Fourth Proportional to 1,502,100.99, 2,072,982.38 and 857,728.17

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Solution

The fourth proportional to 1,502,100.99, 2,072,982.38 and 857,728.17 is: 1,183,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,100.99 : 2,072,982.38 = 857,728.17 : x
  2. Step 2: Convert to fraction form
    1,502,100.99/2,072,982.38 = 857,728.17/x
  3. Step 3: Cross multiply
    1,502,100.99x = 2,072,982.38 × 857,728.17
  4. Step 4: Simplify right side
    1,502,100.99x = 1,778,055,378,951.00
  5. Step 5: Solve for x
    x = 1,778,055,378,951.00/1,502,100.99
  6. Step 6: Final answer
    x = 1,183,712.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.