Home / 1,809,705.70-2,715,542.70-744,855.40

Finding the Fourth Proportional to 1,809,705.70, 2,715,542.70 and 744,855.40

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Solution

The fourth proportional to 1,809,705.70, 2,715,542.70 and 744,855.40 is: 1,117,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,705.70 : 2,715,542.70 = 744,855.40 : x
  2. Step 2: Convert to fraction form
    1,809,705.70/2,715,542.70 = 744,855.40/x
  3. Step 3: Cross multiply
    1,809,705.70x = 2,715,542.70 × 744,855.40
  4. Step 4: Simplify right side
    1,809,705.70x = 2,022,686,644,025.58
  5. Step 5: Solve for x
    x = 2,022,686,644,025.58/1,809,705.70
  6. Step 6: Final answer
    x = 1,117,688.17

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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.