Home / 1,231,142.58-1,847,364.09-873,623.67

Finding the Fourth Proportional to 1,231,142.58, 1,847,364.09 and 873,623.67

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Solution

The fourth proportional to 1,231,142.58, 1,847,364.09 and 873,623.67 is: 1,310,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,142.58 : 1,847,364.09 = 873,623.67 : x
  2. Step 2: Convert to fraction form
    1,231,142.58/1,847,364.09 = 873,623.67/x
  3. Step 3: Cross multiply
    1,231,142.58x = 1,847,364.09 × 873,623.67
  4. Step 4: Simplify right side
    1,231,142.58x = 1,613,900,996,132.01
  5. Step 5: Solve for x
    x = 1,613,900,996,132.01/1,231,142.58
  6. Step 6: Final answer
    x = 1,310,896.90

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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.