Home / 1,222,698.24-1,833,938.64-423,961.92

Finding the Fourth Proportional to 1,222,698.24, 1,833,938.64 and 423,961.92

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Solution

The fourth proportional to 1,222,698.24, 1,833,938.64 and 423,961.92 is: 635,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,698.24 : 1,833,938.64 = 423,961.92 : x
  2. Step 2: Convert to fraction form
    1,222,698.24/1,833,938.64 = 423,961.92/x
  3. Step 3: Cross multiply
    1,222,698.24x = 1,833,938.64 × 423,961.92
  4. Step 4: Simplify right side
    1,222,698.24x = 777,520,146,976.59
  5. Step 5: Solve for x
    x = 777,520,146,976.59/1,222,698.24
  6. Step 6: Final answer
    x = 635,905.18

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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.