Home / 726,357.20-1,089,535.80-668,037.20

Finding the Fourth Proportional to 726,357.20, 1,089,535.80 and 668,037.20

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Solution

The fourth proportional to 726,357.20, 1,089,535.80 and 668,037.20 is: 1,002,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,357.20 : 1,089,535.80 = 668,037.20 : x
  2. Step 2: Convert to fraction form
    726,357.20/1,089,535.80 = 668,037.20/x
  3. Step 3: Cross multiply
    726,357.20x = 1,089,535.80 × 668,037.20
  4. Step 4: Simplify right side
    726,357.20x = 727,850,445,131.76
  5. Step 5: Solve for x
    x = 727,850,445,131.76/726,357.20
  6. Step 6: Final answer
    x = 1,002,055.80

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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.