Home / 1,488,238.40-2,053,744.80-809,192

Finding the Fourth Proportional to 1,488,238.40, 2,053,744.80 and 809,192

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Solution

The fourth proportional to 1,488,238.40, 2,053,744.80 and 809,192 is: 1,116,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,238.40 : 2,053,744.80 = 809,192 : x
  2. Step 2: Convert to fraction form
    1,488,238.40/2,053,744.80 = 809,192/x
  3. Step 3: Cross multiply
    1,488,238.40x = 2,053,744.80 × 809,192
  4. Step 4: Simplify right side
    1,488,238.40x = 1,661,873,862,201.60
  5. Step 5: Solve for x
    x = 1,661,873,862,201.60/1,488,238.40
  6. Step 6: Final answer
    x = 1,116,671.81

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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.