Home / 1,021,621.85-1,532,760.83-452,783.15

Finding the Fourth Proportional to 1,021,621.85, 1,532,760.83 and 452,783.15

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Solution

The fourth proportional to 1,021,621.85, 1,532,760.83 and 452,783.15 is: 679,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,621.85 : 1,532,760.83 = 452,783.15 : x
  2. Step 2: Convert to fraction form
    1,021,621.85/1,532,760.83 = 452,783.15/x
  3. Step 3: Cross multiply
    1,021,621.85x = 1,532,760.83 × 452,783.15
  4. Step 4: Simplify right side
    1,021,621.85x = 694,008,274,540.10
  5. Step 5: Solve for x
    x = 694,008,274,540.10/1,021,621.85
  6. Step 6: Final answer
    x = 679,320.12

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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.