Home / 1,434,669.04-1,979,767.47-822,790.18

Finding the Fourth Proportional to 1,434,669.04, 1,979,767.47 and 822,790.18

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Solution

The fourth proportional to 1,434,669.04, 1,979,767.47 and 822,790.18 is: 1,135,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,669.04 : 1,979,767.47 = 822,790.18 : x
  2. Step 2: Convert to fraction form
    1,434,669.04/1,979,767.47 = 822,790.18/x
  3. Step 3: Cross multiply
    1,434,669.04x = 1,979,767.47 × 822,790.18
  4. Step 4: Simplify right side
    1,434,669.04x = 1,628,933,232,999.44
  5. Step 5: Solve for x
    x = 1,628,933,232,999.44/1,434,669.04
  6. Step 6: Final answer
    x = 1,135,406.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.