Home / 1,260,970.20-1,891,315.44-451,322.10

Finding the Fourth Proportional to 1,260,970.20, 1,891,315.44 and 451,322.10

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Solution

The fourth proportional to 1,260,970.20, 1,891,315.44 and 451,322.10 is: 676,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,970.20 : 1,891,315.44 = 451,322.10 : x
  2. Step 2: Convert to fraction form
    1,260,970.20/1,891,315.44 = 451,322.10/x
  3. Step 3: Cross multiply
    1,260,970.20x = 1,891,315.44 × 451,322.10
  4. Step 4: Simplify right side
    1,260,970.20x = 853,592,456,143.22
  5. Step 5: Solve for x
    x = 853,592,456,143.22/1,260,970.20
  6. Step 6: Final answer
    x = 676,933.09

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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.