Home / 1,224,359.73-1,690,091.67-919,316.97

Finding the Fourth Proportional to 1,224,359.73, 1,690,091.67 and 919,316.97

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Solution

The fourth proportional to 1,224,359.73, 1,690,091.67 and 919,316.97 is: 1,269,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,359.73 : 1,690,091.67 = 919,316.97 : x
  2. Step 2: Convert to fraction form
    1,224,359.73/1,690,091.67 = 919,316.97/x
  3. Step 3: Cross multiply
    1,224,359.73x = 1,690,091.67 × 919,316.97
  4. Step 4: Simplify right side
    1,224,359.73x = 1,553,729,948,490.06
  5. Step 5: Solve for x
    x = 1,553,729,948,490.06/1,224,359.73
  6. Step 6: Final answer
    x = 1,269,014.25

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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.