Home / 1,990,264.88-2,744,395-1,344,563.92

Finding the Fourth Proportional to 1,990,264.88, 2,744,395 and 1,344,563.92

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Solution

The fourth proportional to 1,990,264.88, 2,744,395 and 1,344,563.92 is: 1,854,031.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,264.88 : 2,744,395 = 1,344,563.92 : x
  2. Step 2: Convert to fraction form
    1,990,264.88/2,744,395 = 1,344,563.92/x
  3. Step 3: Cross multiply
    1,990,264.88x = 2,744,395 × 1,344,563.92
  4. Step 4: Simplify right side
    1,990,264.88x = 3,690,014,499,228.40
  5. Step 5: Solve for x
    x = 3,690,014,499,228.40/1,990,264.88
  6. Step 6: Final answer
    x = 1,854,031.86

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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.