Home / 1,739,131.20-2,609,863.20-1,028,404.80

Finding the Fourth Proportional to 1,739,131.20, 2,609,863.20 and 1,028,404.80

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Solution

The fourth proportional to 1,739,131.20, 2,609,863.20 and 1,028,404.80 is: 1,543,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,131.20 : 2,609,863.20 = 1,028,404.80 : x
  2. Step 2: Convert to fraction form
    1,739,131.20/2,609,863.20 = 1,028,404.80/x
  3. Step 3: Cross multiply
    1,739,131.20x = 2,609,863.20 × 1,028,404.80
  4. Step 4: Simplify right side
    1,739,131.20x = 2,683,995,842,223.36
  5. Step 5: Solve for x
    x = 2,683,995,842,223.36/1,739,131.20
  6. Step 6: Final answer
    x = 1,543,296.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.