Home / 1,222,006.34-1,833,134.35-423,286.40

Finding the Fourth Proportional to 1,222,006.34, 1,833,134.35 and 423,286.40

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Solution

The fourth proportional to 1,222,006.34, 1,833,134.35 and 423,286.40 is: 634,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,006.34 : 1,833,134.35 = 423,286.40 : x
  2. Step 2: Convert to fraction form
    1,222,006.34/1,833,134.35 = 423,286.40/x
  3. Step 3: Cross multiply
    1,222,006.34x = 1,833,134.35 × 423,286.40
  4. Step 4: Simplify right side
    1,222,006.34x = 775,940,833,734.74
  5. Step 5: Solve for x
    x = 775,940,833,734.74/1,222,006.34
  6. Step 6: Final answer
    x = 634,972.84

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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.