Home / 1,439,120.73-2,158,287.03-540,492.96

Finding the Fourth Proportional to 1,439,120.73, 2,158,287.03 and 540,492.96

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Solution

The fourth proportional to 1,439,120.73, 2,158,287.03 and 540,492.96 is: 810,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,120.73 : 2,158,287.03 = 540,492.96 : x
  2. Step 2: Convert to fraction form
    1,439,120.73/2,158,287.03 = 540,492.96/x
  3. Step 3: Cross multiply
    1,439,120.73x = 2,158,287.03 × 540,492.96
  4. Step 4: Simplify right side
    1,439,120.73x = 1,166,538,945,374.31
  5. Step 5: Solve for x
    x = 1,166,538,945,374.31/1,439,120.73
  6. Step 6: Final answer
    x = 810,591.44

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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.