Home / 1,384,456.70-2,074,449.45-783,631.10

Finding the Fourth Proportional to 1,384,456.70, 2,074,449.45 and 783,631.10

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Solution

The fourth proportional to 1,384,456.70, 2,074,449.45 and 783,631.10 is: 1,174,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,456.70 : 2,074,449.45 = 783,631.10 : x
  2. Step 2: Convert to fraction form
    1,384,456.70/2,074,449.45 = 783,631.10/x
  3. Step 3: Cross multiply
    1,384,456.70x = 2,074,449.45 × 783,631.10
  4. Step 4: Simplify right side
    1,384,456.70x = 1,625,603,104,397.90
  5. Step 5: Solve for x
    x = 1,625,603,104,397.90/1,384,456.70
  6. Step 6: Final answer
    x = 1,174,181.25

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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.