Home / 1,144,612.62-1,579,585.12-628,414.34

Finding the Fourth Proportional to 1,144,612.62, 1,579,585.12 and 628,414.34

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Solution

The fourth proportional to 1,144,612.62, 1,579,585.12 and 628,414.34 is: 867,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,612.62 : 1,579,585.12 = 628,414.34 : x
  2. Step 2: Convert to fraction form
    1,144,612.62/1,579,585.12 = 628,414.34/x
  3. Step 3: Cross multiply
    1,144,612.62x = 1,579,585.12 × 628,414.34
  4. Step 4: Simplify right side
    1,144,612.62x = 992,633,931,189.66
  5. Step 5: Solve for x
    x = 992,633,931,189.66/1,144,612.62
  6. Step 6: Final answer
    x = 867,222.60

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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.