Home / 1,802,796.78-2,487,997.73-1,028,444.67

Finding the Fourth Proportional to 1,802,796.78, 2,487,997.73 and 1,028,444.67

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Solution

The fourth proportional to 1,802,796.78, 2,487,997.73 and 1,028,444.67 is: 1,419,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,796.78 : 2,487,997.73 = 1,028,444.67 : x
  2. Step 2: Convert to fraction form
    1,802,796.78/2,487,997.73 = 1,028,444.67/x
  3. Step 3: Cross multiply
    1,802,796.78x = 2,487,997.73 × 1,028,444.67
  4. Step 4: Simplify right side
    1,802,796.78x = 2,558,767,999,248.38
  5. Step 5: Solve for x
    x = 2,558,767,999,248.38/1,802,796.78
  6. Step 6: Final answer
    x = 1,419,332.47

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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.