Home / 1,518,690.80-2,275,411.80-1,282,494.80

Finding the Fourth Proportional to 1,518,690.80, 2,275,411.80 and 1,282,494.80

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Solution

The fourth proportional to 1,518,690.80, 2,275,411.80 and 1,282,494.80 is: 1,921,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,690.80 : 2,275,411.80 = 1,282,494.80 : x
  2. Step 2: Convert to fraction form
    1,518,690.80/2,275,411.80 = 1,282,494.80/x
  3. Step 3: Cross multiply
    1,518,690.80x = 2,275,411.80 × 1,282,494.80
  4. Step 4: Simplify right side
    1,518,690.80x = 2,918,203,801,358.64
  5. Step 5: Solve for x
    x = 2,918,203,801,358.64/1,518,690.80
  6. Step 6: Final answer
    x = 1,921,525.96

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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.