Home / 1,271,660.31-1,753,137.47-1,014,409.88

Finding the Fourth Proportional to 1,271,660.31, 1,753,137.47 and 1,014,409.88

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Solution

The fourth proportional to 1,271,660.31, 1,753,137.47 and 1,014,409.88 is: 1,398,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,660.31 : 1,753,137.47 = 1,014,409.88 : x
  2. Step 2: Convert to fraction form
    1,271,660.31/1,753,137.47 = 1,014,409.88/x
  3. Step 3: Cross multiply
    1,271,660.31x = 1,753,137.47 × 1,014,409.88
  4. Step 4: Simplify right side
    1,271,660.31x = 1,778,399,970,910.81
  5. Step 5: Solve for x
    x = 1,778,399,970,910.81/1,271,660.31
  6. Step 6: Final answer
    x = 1,398,486.65

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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.