Home / 1,442,444.57-1,990,622.69-822,341.44

Finding the Fourth Proportional to 1,442,444.57, 1,990,622.69 and 822,341.44

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Solution

The fourth proportional to 1,442,444.57, 1,990,622.69 and 822,341.44 is: 1,134,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,444.57 : 1,990,622.69 = 822,341.44 : x
  2. Step 2: Convert to fraction form
    1,442,444.57/1,990,622.69 = 822,341.44/x
  3. Step 3: Cross multiply
    1,442,444.57x = 1,990,622.69 × 822,341.44
  4. Step 4: Simplify right side
    1,442,444.57x = 1,636,971,530,851.63
  5. Step 5: Solve for x
    x = 1,636,971,530,851.63/1,442,444.57
  6. Step 6: Final answer
    x = 1,134,859.23

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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.