Home / 1,420,617.76-2,131,456.02-852,406.67

Finding the Fourth Proportional to 1,420,617.76, 2,131,456.02 and 852,406.67

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Solution

The fourth proportional to 1,420,617.76, 2,131,456.02 and 852,406.67 is: 1,278,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,617.76 : 2,131,456.02 = 852,406.67 : x
  2. Step 2: Convert to fraction form
    1,420,617.76/2,131,456.02 = 852,406.67/x
  3. Step 3: Cross multiply
    1,420,617.76x = 2,131,456.02 × 852,406.67
  4. Step 4: Simplify right side
    1,420,617.76x = 1,816,867,328,259.65
  5. Step 5: Solve for x
    x = 1,816,867,328,259.65/1,420,617.76
  6. Step 6: Final answer
    x = 1,278,927.65

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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.