Home / 1,311,499.32-1,809,833.68-738,527.16

Finding the Fourth Proportional to 1,311,499.32, 1,809,833.68 and 738,527.16

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Solution

The fourth proportional to 1,311,499.32, 1,809,833.68 and 738,527.16 is: 1,019,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,499.32 : 1,809,833.68 = 738,527.16 : x
  2. Step 2: Convert to fraction form
    1,311,499.32/1,809,833.68 = 738,527.16/x
  3. Step 3: Cross multiply
    1,311,499.32x = 1,809,833.68 × 738,527.16
  4. Step 4: Simplify right side
    1,311,499.32x = 1,336,611,327,762.75
  5. Step 5: Solve for x
    x = 1,336,611,327,762.75/1,311,499.32
  6. Step 6: Final answer
    x = 1,019,147.56

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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.