Home / 1,224,360.73-1,690,093.05-919,317.97

Finding the Fourth Proportional to 1,224,360.73, 1,690,093.05 and 919,317.97

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Solution

The fourth proportional to 1,224,360.73, 1,690,093.05 and 919,317.97 is: 1,269,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,360.73 : 1,690,093.05 = 919,317.97 : x
  2. Step 2: Convert to fraction form
    1,224,360.73/1,690,093.05 = 919,317.97/x
  3. Step 3: Cross multiply
    1,224,360.73x = 1,690,093.05 × 919,317.97
  4. Step 4: Simplify right side
    1,224,360.73x = 1,553,732,911,837.11
  5. Step 5: Solve for x
    x = 1,553,732,911,837.11/1,224,360.73
  6. Step 6: Final answer
    x = 1,269,015.64

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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.