Home / 1,810,980.70-2,498,608.36-1,085,563.73

Finding the Fourth Proportional to 1,810,980.70, 2,498,608.36 and 1,085,563.73

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Solution

The fourth proportional to 1,810,980.70, 2,498,608.36 and 1,085,563.73 is: 1,497,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,980.70 : 2,498,608.36 = 1,085,563.73 : x
  2. Step 2: Convert to fraction form
    1,810,980.70/2,498,608.36 = 1,085,563.73/x
  3. Step 3: Cross multiply
    1,810,980.70x = 2,498,608.36 × 1,085,563.73
  4. Step 4: Simplify right side
    1,810,980.70x = 2,712,398,611,090.78
  5. Step 5: Solve for x
    x = 2,712,398,611,090.78/1,810,980.70
  6. Step 6: Final answer
    x = 1,497,751.25

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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.