Home / 1,988,742.80-2,983,232.08-622,772

Finding the Fourth Proportional to 1,988,742.80, 2,983,232.08 and 622,772

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Solution

The fourth proportional to 1,988,742.80, 2,983,232.08 and 622,772 is: 934,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,742.80 : 2,983,232.08 = 622,772 : x
  2. Step 2: Convert to fraction form
    1,988,742.80/2,983,232.08 = 622,772/x
  3. Step 3: Cross multiply
    1,988,742.80x = 2,983,232.08 × 622,772
  4. Step 4: Simplify right side
    1,988,742.80x = 1,857,873,408,925.76
  5. Step 5: Solve for x
    x = 1,857,873,408,925.76/1,988,742.80
  6. Step 6: Final answer
    x = 934,194.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.