Home / 1,442,564.04-1,990,543.44-822,449.22

Finding the Fourth Proportional to 1,442,564.04, 1,990,543.44 and 822,449.22

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Solution

The fourth proportional to 1,442,564.04, 1,990,543.44 and 822,449.22 is: 1,134,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,564.04 : 1,990,543.44 = 822,449.22 : x
  2. Step 2: Convert to fraction form
    1,442,564.04/1,990,543.44 = 822,449.22/x
  3. Step 3: Cross multiply
    1,442,564.04x = 1,990,543.44 × 822,449.22
  4. Step 4: Simplify right side
    1,442,564.04x = 1,637,120,899,604.12
  5. Step 5: Solve for x
    x = 1,637,120,899,604.12/1,442,564.04
  6. Step 6: Final answer
    x = 1,134,868.79

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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.