Home / 1,282,303.20-1,923,454.80-1,263,640.80

Finding the Fourth Proportional to 1,282,303.20, 1,923,454.80 and 1,263,640.80

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Solution

The fourth proportional to 1,282,303.20, 1,923,454.80 and 1,263,640.80 is: 1,895,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,303.20 : 1,923,454.80 = 1,263,640.80 : x
  2. Step 2: Convert to fraction form
    1,282,303.20/1,923,454.80 = 1,263,640.80/x
  3. Step 3: Cross multiply
    1,282,303.20x = 1,923,454.80 × 1,263,640.80
  4. Step 4: Simplify right side
    1,282,303.20x = 2,430,555,962,235.84
  5. Step 5: Solve for x
    x = 2,430,555,962,235.84/1,282,303.20
  6. Step 6: Final answer
    x = 1,895,461.20

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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.