Home / 1,413,012.67-1,949,939.12-768,419.03

Finding the Fourth Proportional to 1,413,012.67, 1,949,939.12 and 768,419.03

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Solution

The fourth proportional to 1,413,012.67, 1,949,939.12 and 768,419.03 is: 1,060,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,012.67 : 1,949,939.12 = 768,419.03 : x
  2. Step 2: Convert to fraction form
    1,413,012.67/1,949,939.12 = 768,419.03/x
  3. Step 3: Cross multiply
    1,413,012.67x = 1,949,939.12 × 768,419.03
  4. Step 4: Simplify right side
    1,413,012.67x = 1,498,370,333,945.35
  5. Step 5: Solve for x
    x = 1,498,370,333,945.35/1,413,012.67
  6. Step 6: Final answer
    x = 1,060,408.28

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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.