Home / 1,344,128.80-2,028,639-1,344,128.80

Finding the Fourth Proportional to 1,344,128.80, 2,028,639 and 1,344,128.80

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Solution

The fourth proportional to 1,344,128.80, 2,028,639 and 1,344,128.80 is: 2,028,639

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,128.80 : 2,028,639 = 1,344,128.80 : x
  2. Step 2: Convert to fraction form
    1,344,128.80/2,028,639 = 1,344,128.80/x
  3. Step 3: Cross multiply
    1,344,128.80x = 2,028,639 × 1,344,128.80
  4. Step 4: Simplify right side
    1,344,128.80x = 2,726,752,104,703.20
  5. Step 5: Solve for x
    x = 2,726,752,104,703.20/1,344,128.80
  6. Step 6: Final answer
    x = 2,028,639

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.