Home / 1,310,476.48-1,809,015.56-881,005.72

Finding the Fourth Proportional to 1,310,476.48, 1,809,015.56 and 881,005.72

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Solution

The fourth proportional to 1,310,476.48, 1,809,015.56 and 881,005.72 is: 1,216,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,476.48 : 1,809,015.56 = 881,005.72 : x
  2. Step 2: Convert to fraction form
    1,310,476.48/1,809,015.56 = 881,005.72/x
  3. Step 3: Cross multiply
    1,310,476.48x = 1,809,015.56 × 881,005.72
  4. Step 4: Simplify right side
    1,310,476.48x = 1,593,753,055,929.00
  5. Step 5: Solve for x
    x = 1,593,753,055,929.00/1,310,476.48
  6. Step 6: Final answer
    x = 1,216,163.04

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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.