Home / 1,327,789.13-1,988,320.41-823,335.30

Finding the Fourth Proportional to 1,327,789.13, 1,988,320.41 and 823,335.30

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Solution

The fourth proportional to 1,327,789.13, 1,988,320.41 and 823,335.30 is: 1,232,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,789.13 : 1,988,320.41 = 823,335.30 : x
  2. Step 2: Convert to fraction form
    1,327,789.13/1,988,320.41 = 823,335.30/x
  3. Step 3: Cross multiply
    1,327,789.13x = 1,988,320.41 × 823,335.30
  4. Step 4: Simplify right side
    1,327,789.13x = 1,637,054,381,263.47
  5. Step 5: Solve for x
    x = 1,637,054,381,263.47/1,327,789.13
  6. Step 6: Final answer
    x = 1,232,917.45

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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.