Home / 1,489,497.60-2,231,950.05-1,108,631.55

Finding the Fourth Proportional to 1,489,497.60, 2,231,950.05 and 1,108,631.55

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Solution

The fourth proportional to 1,489,497.60, 2,231,950.05 and 1,108,631.55 is: 1,661,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,497.60 : 2,231,950.05 = 1,108,631.55 : x
  2. Step 2: Convert to fraction form
    1,489,497.60/2,231,950.05 = 1,108,631.55/x
  3. Step 3: Cross multiply
    1,489,497.60x = 2,231,950.05 × 1,108,631.55
  4. Step 4: Simplify right side
    1,489,497.60x = 2,474,410,243,454.08
  5. Step 5: Solve for x
    x = 2,474,410,243,454.08/1,489,497.60
  6. Step 6: Final answer
    x = 1,661,238.15

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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.