Home / 1,628,326.80-2,442,052.80-681,501.60

Finding the Fourth Proportional to 1,628,326.80, 2,442,052.80 and 681,501.60

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Solution

The fourth proportional to 1,628,326.80, 2,442,052.80 and 681,501.60 is: 1,022,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,326.80 : 2,442,052.80 = 681,501.60 : x
  2. Step 2: Convert to fraction form
    1,628,326.80/2,442,052.80 = 681,501.60/x
  3. Step 3: Cross multiply
    1,628,326.80x = 2,442,052.80 × 681,501.60
  4. Step 4: Simplify right side
    1,628,326.80x = 1,664,262,890,484.48
  5. Step 5: Solve for x
    x = 1,664,262,890,484.48/1,628,326.80
  6. Step 6: Final answer
    x = 1,022,069.34

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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.