Home / 1,259,243.43-1,889,421.62-660,061.32

Finding the Fourth Proportional to 1,259,243.43, 1,889,421.62 and 660,061.32

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Solution

The fourth proportional to 1,259,243.43, 1,889,421.62 and 660,061.32 is: 990,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,243.43 : 1,889,421.62 = 660,061.32 : x
  2. Step 2: Convert to fraction form
    1,259,243.43/1,889,421.62 = 660,061.32/x
  3. Step 3: Cross multiply
    1,259,243.43x = 1,889,421.62 × 660,061.32
  4. Step 4: Simplify right side
    1,259,243.43x = 1,247,134,125,233.43
  5. Step 5: Solve for x
    x = 1,247,134,125,233.43/1,259,243.43
  6. Step 6: Final answer
    x = 990,383.67

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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.