Home / 1,760,972.40-2,640,379.11-749,518.39

Finding the Fourth Proportional to 1,760,972.40, 2,640,379.11 and 749,518.39

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Solution

The fourth proportional to 1,760,972.40, 2,640,379.11 and 749,518.39 is: 1,123,818.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,972.40 : 2,640,379.11 = 749,518.39 : x
  2. Step 2: Convert to fraction form
    1,760,972.40/2,640,379.11 = 749,518.39/x
  3. Step 3: Cross multiply
    1,760,972.40x = 2,640,379.11 × 749,518.39
  4. Step 4: Simplify right side
    1,760,972.40x = 1,979,012,695,742.54
  5. Step 5: Solve for x
    x = 1,979,012,695,742.54/1,760,972.40
  6. Step 6: Final answer
    x = 1,123,818.12

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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.