Home / 726,083.20-1,089,124.80-668,022.40

Finding the Fourth Proportional to 726,083.20, 1,089,124.80 and 668,022.40

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Solution

The fourth proportional to 726,083.20, 1,089,124.80 and 668,022.40 is: 1,002,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,083.20 : 1,089,124.80 = 668,022.40 : x
  2. Step 2: Convert to fraction form
    726,083.20/1,089,124.80 = 668,022.40/x
  3. Step 3: Cross multiply
    726,083.20x = 1,089,124.80 × 668,022.40
  4. Step 4: Simplify right side
    726,083.20x = 727,559,762,795.52
  5. Step 5: Solve for x
    x = 727,559,762,795.52/726,083.20
  6. Step 6: Final answer
    x = 1,002,033.60

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1.5x scale

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.