Home / 1,528,961.34-2,295,213.69-820,373.34

Finding the Fourth Proportional to 1,528,961.34, 2,295,213.69 and 820,373.34

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Solution

The fourth proportional to 1,528,961.34, 2,295,213.69 and 820,373.34 is: 1,231,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,961.34 : 2,295,213.69 = 820,373.34 : x
  2. Step 2: Convert to fraction form
    1,528,961.34/2,295,213.69 = 820,373.34/x
  3. Step 3: Cross multiply
    1,528,961.34x = 2,295,213.69 × 820,373.34
  4. Step 4: Simplify right side
    1,528,961.34x = 1,882,932,120,879.02
  5. Step 5: Solve for x
    x = 1,882,932,120,879.02/1,528,961.34
  6. Step 6: Final answer
    x = 1,231,510.62

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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.