Home / 1,129,870.45-1,694,917.31-371,404.27

Finding the Fourth Proportional to 1,129,870.45, 1,694,917.31 and 371,404.27

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Solution

The fourth proportional to 1,129,870.45, 1,694,917.31 and 371,404.27 is: 557,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,870.45 : 1,694,917.31 = 371,404.27 : x
  2. Step 2: Convert to fraction form
    1,129,870.45/1,694,917.31 = 371,404.27/x
  3. Step 3: Cross multiply
    1,129,870.45x = 1,694,917.31 × 371,404.27
  4. Step 4: Simplify right side
    1,129,870.45x = 629,499,526,492.54
  5. Step 5: Solve for x
    x = 629,499,526,492.54/1,129,870.45
  6. Step 6: Final answer
    x = 557,143.10

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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.