Home / 1,311,054.44-1,809,249.90-738,095.72

Finding the Fourth Proportional to 1,311,054.44, 1,809,249.90 and 738,095.72

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Solution

The fourth proportional to 1,311,054.44, 1,809,249.90 and 738,095.72 is: 1,018,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,054.44 : 1,809,249.90 = 738,095.72 : x
  2. Step 2: Convert to fraction form
    1,311,054.44/1,809,249.90 = 738,095.72/x
  3. Step 3: Cross multiply
    1,311,054.44x = 1,809,249.90 × 738,095.72
  4. Step 4: Simplify right side
    1,311,054.44x = 1,335,399,607,600.43
  5. Step 5: Solve for x
    x = 1,335,399,607,600.43/1,311,054.44
  6. Step 6: Final answer
    x = 1,018,569.15

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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.