Home / 1,222,698.74-1,833,939.39-423,962.42

Finding the Fourth Proportional to 1,222,698.74, 1,833,939.39 and 423,962.42

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Solution

The fourth proportional to 1,222,698.74, 1,833,939.39 and 423,962.42 is: 635,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,698.74 : 1,833,939.39 = 423,962.42 : x
  2. Step 2: Convert to fraction form
    1,222,698.74/1,833,939.39 = 423,962.42/x
  3. Step 3: Cross multiply
    1,222,698.74x = 1,833,939.39 × 423,962.42
  4. Step 4: Simplify right side
    1,222,698.74x = 777,521,381,917.72
  5. Step 5: Solve for x
    x = 777,521,381,917.72/1,222,698.74
  6. Step 6: Final answer
    x = 635,905.93

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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.