Home / 755,414.10-1,133,121.15-711,090.90

Finding the Fourth Proportional to 755,414.10, 1,133,121.15 and 711,090.90

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Solution

The fourth proportional to 755,414.10, 1,133,121.15 and 711,090.90 is: 1,066,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,414.10 : 1,133,121.15 = 711,090.90 : x
  2. Step 2: Convert to fraction form
    755,414.10/1,133,121.15 = 711,090.90/x
  3. Step 3: Cross multiply
    755,414.10x = 1,133,121.15 × 711,090.90
  4. Step 4: Simplify right side
    755,414.10x = 805,752,138,362.54
  5. Step 5: Solve for x
    x = 805,752,138,362.54/755,414.10
  6. Step 6: Final answer
    x = 1,066,636.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.