Home / 1,821,384.40-2,732,209.20-699,453.40

Finding the Fourth Proportional to 1,821,384.40, 2,732,209.20 and 699,453.40

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Solution

The fourth proportional to 1,821,384.40, 2,732,209.20 and 699,453.40 is: 1,049,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,384.40 : 2,732,209.20 = 699,453.40 : x
  2. Step 2: Convert to fraction form
    1,821,384.40/2,732,209.20 = 699,453.40/x
  3. Step 3: Cross multiply
    1,821,384.40x = 2,732,209.20 × 699,453.40
  4. Step 4: Simplify right side
    1,821,384.40x = 1,911,053,014,451.28
  5. Step 5: Solve for x
    x = 1,911,053,014,451.28/1,821,384.40
  6. Step 6: Final answer
    x = 1,049,231.02

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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.