Home / 1,600,634.40-2,209,170.96-1,028,389.92

Finding the Fourth Proportional to 1,600,634.40, 2,209,170.96 and 1,028,389.92

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Solution

The fourth proportional to 1,600,634.40, 2,209,170.96 and 1,028,389.92 is: 1,419,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,634.40 : 2,209,170.96 = 1,028,389.92 : x
  2. Step 2: Convert to fraction form
    1,600,634.40/2,209,170.96 = 1,028,389.92/x
  3. Step 3: Cross multiply
    1,600,634.40x = 2,209,170.96 × 1,028,389.92
  4. Step 4: Simplify right side
    1,600,634.40x = 2,271,889,146,820.72
  5. Step 5: Solve for x
    x = 2,271,889,146,820.72/1,600,634.40
  6. Step 6: Final answer
    x = 1,419,367.94

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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.