Home / 1,340,978.49-2,012,731.91-488,873.73

Finding the Fourth Proportional to 1,340,978.49, 2,012,731.91 and 488,873.73

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Solution

The fourth proportional to 1,340,978.49, 2,012,731.91 and 488,873.73 is: 733,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,978.49 : 2,012,731.91 = 488,873.73 : x
  2. Step 2: Convert to fraction form
    1,340,978.49/2,012,731.91 = 488,873.73/x
  3. Step 3: Cross multiply
    1,340,978.49x = 2,012,731.91 × 488,873.73
  4. Step 4: Simplify right side
    1,340,978.49x = 983,971,753,887.36
  5. Step 5: Solve for x
    x = 983,971,753,887.36/1,340,978.49
  6. Step 6: Final answer
    x = 733,771.47

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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.