Home / 1,615,884.70-2,229,902.72-880,822.87

Finding the Fourth Proportional to 1,615,884.70, 2,229,902.72 and 880,822.87

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Solution

The fourth proportional to 1,615,884.70, 2,229,902.72 and 880,822.87 is: 1,215,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,884.70 : 2,229,902.72 = 880,822.87 : x
  2. Step 2: Convert to fraction form
    1,615,884.70/2,229,902.72 = 880,822.87/x
  3. Step 3: Cross multiply
    1,615,884.70x = 2,229,902.72 × 880,822.87
  4. Step 4: Simplify right side
    1,615,884.70x = 1,964,149,310,278.51
  5. Step 5: Solve for x
    x = 1,964,149,310,278.51/1,615,884.70
  6. Step 6: Final answer
    x = 1,215,525.66

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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.