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Finding the Fourth Proportional to 1,759,622, 2,428,278.36 and 954,806

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Solution

The fourth proportional to 1,759,622, 2,428,278.36 and 954,806 is: 1,317,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,622 : 2,428,278.36 = 954,806 : x
  2. Step 2: Convert to fraction form
    1,759,622/2,428,278.36 = 954,806/x
  3. Step 3: Cross multiply
    1,759,622x = 2,428,278.36 × 954,806
  4. Step 4: Simplify right side
    1,759,622x = 2,318,534,747,798.16
  5. Step 5: Solve for x
    x = 2,318,534,747,798.16/1,759,622
  6. Step 6: Final answer
    x = 1,317,632.28

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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.