Home / 1,442,440.06-1,990,616.47-822,336.95

Finding the Fourth Proportional to 1,442,440.06, 1,990,616.47 and 822,336.95

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Solution

The fourth proportional to 1,442,440.06, 1,990,616.47 and 822,336.95 is: 1,134,853.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,440.06 : 1,990,616.47 = 822,336.95 : x
  2. Step 2: Convert to fraction form
    1,442,440.06/1,990,616.47 = 822,336.95/x
  3. Step 3: Cross multiply
    1,442,440.06x = 1,990,616.47 × 822,336.95
  4. Step 4: Simplify right side
    1,442,440.06x = 1,636,957,471,265.84
  5. Step 5: Solve for x
    x = 1,636,957,471,265.84/1,442,440.06
  6. Step 6: Final answer
    x = 1,134,853.03

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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.