Home / 1,904,775.80-2,628,708.72-1,259,076.20

Finding the Fourth Proportional to 1,904,775.80, 2,628,708.72 and 1,259,076.20

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Solution

The fourth proportional to 1,904,775.80, 2,628,708.72 and 1,259,076.20 is: 1,737,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,775.80 : 2,628,708.72 = 1,259,076.20 : x
  2. Step 2: Convert to fraction form
    1,904,775.80/2,628,708.72 = 1,259,076.20/x
  3. Step 3: Cross multiply
    1,904,775.80x = 2,628,708.72 × 1,259,076.20
  4. Step 4: Simplify right side
    1,904,775.80x = 3,309,744,586,084.46
  5. Step 5: Solve for x
    x = 3,309,744,586,084.46/1,904,775.80
  6. Step 6: Final answer
    x = 1,737,603.23

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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.