Home / 1,340,921.99-2,012,646.89-488,817.59

Finding the Fourth Proportional to 1,340,921.99, 2,012,646.89 and 488,817.59

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Solution

The fourth proportional to 1,340,921.99, 2,012,646.89 and 488,817.59 is: 733,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,921.99 : 2,012,646.89 = 488,817.59 : x
  2. Step 2: Convert to fraction form
    1,340,921.99/2,012,646.89 = 488,817.59/x
  3. Step 3: Cross multiply
    1,340,921.99x = 2,012,646.89 × 488,817.59
  4. Step 4: Simplify right side
    1,340,921.99x = 983,817,193,449.61
  5. Step 5: Solve for x
    x = 983,817,193,449.61/1,340,921.99
  6. Step 6: Final answer
    x = 733,687.12

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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.