Home / 1,206,220.24-1,664,612.85-654,959.18

Finding the Fourth Proportional to 1,206,220.24, 1,664,612.85 and 654,959.18

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Solution

The fourth proportional to 1,206,220.24, 1,664,612.85 and 654,959.18 is: 903,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,220.24 : 1,664,612.85 = 654,959.18 : x
  2. Step 2: Convert to fraction form
    1,206,220.24/1,664,612.85 = 654,959.18/x
  3. Step 3: Cross multiply
    1,206,220.24x = 1,664,612.85 × 654,959.18
  4. Step 4: Simplify right side
    1,206,220.24x = 1,090,253,467,253.46
  5. Step 5: Solve for x
    x = 1,090,253,467,253.46/1,206,220.24
  6. Step 6: Final answer
    x = 903,859.37

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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.