Home / 1,001,394.66-1,381,979.97-571,812.78

Finding the Fourth Proportional to 1,001,394.66, 1,381,979.97 and 571,812.78

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Solution

The fourth proportional to 1,001,394.66, 1,381,979.97 and 571,812.78 is: 789,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,394.66 : 1,381,979.97 = 571,812.78 : x
  2. Step 2: Convert to fraction form
    1,001,394.66/1,381,979.97 = 571,812.78/x
  3. Step 3: Cross multiply
    1,001,394.66x = 1,381,979.97 × 571,812.78
  4. Step 4: Simplify right side
    1,001,394.66x = 790,233,808,550.02
  5. Step 5: Solve for x
    x = 790,233,808,550.02/1,001,394.66
  6. Step 6: Final answer
    x = 789,133.24

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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.