Home / 1,821,385.20-2,732,210.40-699,454.20

Finding the Fourth Proportional to 1,821,385.20, 2,732,210.40 and 699,454.20

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Solution

The fourth proportional to 1,821,385.20, 2,732,210.40 and 699,454.20 is: 1,049,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,385.20 : 2,732,210.40 = 699,454.20 : x
  2. Step 2: Convert to fraction form
    1,821,385.20/2,732,210.40 = 699,454.20/x
  3. Step 3: Cross multiply
    1,821,385.20x = 2,732,210.40 × 699,454.20
  4. Step 4: Simplify right side
    1,821,385.20x = 1,911,056,039,563.68
  5. Step 5: Solve for x
    x = 1,911,056,039,563.68/1,821,385.20
  6. Step 6: Final answer
    x = 1,049,232.22

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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.