Home / 726,359.70-1,089,539.55-668,039.70

Finding the Fourth Proportional to 726,359.70, 1,089,539.55 and 668,039.70

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Solution

The fourth proportional to 726,359.70, 1,089,539.55 and 668,039.70 is: 1,002,059.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,359.70 : 1,089,539.55 = 668,039.70 : x
  2. Step 2: Convert to fraction form
    726,359.70/1,089,539.55 = 668,039.70/x
  3. Step 3: Cross multiply
    726,359.70x = 1,089,539.55 × 668,039.70
  4. Step 4: Simplify right side
    726,359.70x = 727,855,674,120.14
  5. Step 5: Solve for x
    x = 727,855,674,120.14/726,359.70
  6. Step 6: Final answer
    x = 1,002,059.55

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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.