Home / 1,311,046.30-1,809,277.64-738,106.93

Finding the Fourth Proportional to 1,311,046.30, 1,809,277.64 and 738,106.93

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Solution

The fourth proportional to 1,311,046.30, 1,809,277.64 and 738,106.93 is: 1,018,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,046.30 : 1,809,277.64 = 738,106.93 : x
  2. Step 2: Convert to fraction form
    1,311,046.30/1,809,277.64 = 738,106.93/x
  3. Step 3: Cross multiply
    1,311,046.30x = 1,809,277.64 × 738,106.93
  4. Step 4: Simplify right side
    1,311,046.30x = 1,335,440,364,378.05
  5. Step 5: Solve for x
    x = 1,335,440,364,378.05/1,311,046.30
  6. Step 6: Final answer
    x = 1,018,606.56

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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.