Home / 1,257,752.80-1,886,629.20-726,311.80

Finding the Fourth Proportional to 1,257,752.80, 1,886,629.20 and 726,311.80

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Solution

The fourth proportional to 1,257,752.80, 1,886,629.20 and 726,311.80 is: 1,089,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,752.80 : 1,886,629.20 = 726,311.80 : x
  2. Step 2: Convert to fraction form
    1,257,752.80/1,886,629.20 = 726,311.80/x
  3. Step 3: Cross multiply
    1,257,752.80x = 1,886,629.20 × 726,311.80
  4. Step 4: Simplify right side
    1,257,752.80x = 1,370,281,050,184.56
  5. Step 5: Solve for x
    x = 1,370,281,050,184.56/1,257,752.80
  6. Step 6: Final answer
    x = 1,089,467.70

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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.