Home / 1,485,778.70-2,050,382.79-806,715.20

Finding the Fourth Proportional to 1,485,778.70, 2,050,382.79 and 806,715.20

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Solution

The fourth proportional to 1,485,778.70, 2,050,382.79 and 806,715.20 is: 1,113,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,778.70 : 2,050,382.79 = 806,715.20 : x
  2. Step 2: Convert to fraction form
    1,485,778.70/2,050,382.79 = 806,715.20/x
  3. Step 3: Cross multiply
    1,485,778.70x = 2,050,382.79 × 806,715.20
  4. Step 4: Simplify right side
    1,485,778.70x = 1,654,074,962,511.41
  5. Step 5: Solve for x
    x = 1,654,074,962,511.41/1,485,778.70
  6. Step 6: Final answer
    x = 1,113,271.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.