Home / 1,755,739.80-2,631,860.10-807,456.60

Finding the Fourth Proportional to 1,755,739.80, 2,631,860.10 and 807,456.60

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Solution

The fourth proportional to 1,755,739.80, 2,631,860.10 and 807,456.60 is: 1,210,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,739.80 : 2,631,860.10 = 807,456.60 : x
  2. Step 2: Convert to fraction form
    1,755,739.80/2,631,860.10 = 807,456.60/x
  3. Step 3: Cross multiply
    1,755,739.80x = 2,631,860.10 × 807,456.60
  4. Step 4: Simplify right side
    1,755,739.80x = 2,125,112,808,021.66
  5. Step 5: Solve for x
    x = 2,125,112,808,021.66/1,755,739.80
  6. Step 6: Final answer
    x = 1,210,380.27

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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.