Home / 1,094,588.40-1,638,383.40-779,660.40

Finding the Fourth Proportional to 1,094,588.40, 1,638,383.40 and 779,660.40

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Solution

The fourth proportional to 1,094,588.40, 1,638,383.40 and 779,660.40 is: 1,166,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,588.40 : 1,638,383.40 = 779,660.40 : x
  2. Step 2: Convert to fraction form
    1,094,588.40/1,638,383.40 = 779,660.40/x
  3. Step 3: Cross multiply
    1,094,588.40x = 1,638,383.40 × 779,660.40
  4. Step 4: Simplify right side
    1,094,588.40x = 1,277,382,656,997.36
  5. Step 5: Solve for x
    x = 1,277,382,656,997.36/1,094,588.40
  6. Step 6: Final answer
    x = 1,166,998.17

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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.