Home / 1,340,892.97-2,012,603.46-488,788.21

Finding the Fourth Proportional to 1,340,892.97, 2,012,603.46 and 488,788.21

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Solution

The fourth proportional to 1,340,892.97, 2,012,603.46 and 488,788.21 is: 733,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,892.97 : 2,012,603.46 = 488,788.21 : x
  2. Step 2: Convert to fraction form
    1,340,892.97/2,012,603.46 = 488,788.21/x
  3. Step 3: Cross multiply
    1,340,892.97x = 2,012,603.46 × 488,788.21
  4. Step 4: Simplify right side
    1,340,892.97x = 983,736,842,653.21
  5. Step 5: Solve for x
    x = 983,736,842,653.21/1,340,892.97
  6. Step 6: Final answer
    x = 733,643.08

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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.