Home / 1,413,010.42-1,949,936.02-768,416.78

Finding the Fourth Proportional to 1,413,010.42, 1,949,936.02 and 768,416.78

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Solution

The fourth proportional to 1,413,010.42, 1,949,936.02 and 768,416.78 is: 1,060,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,010.42 : 1,949,936.02 = 768,416.78 : x
  2. Step 2: Convert to fraction form
    1,413,010.42/1,949,936.02 = 768,416.78/x
  3. Step 3: Cross multiply
    1,413,010.42x = 1,949,936.02 × 768,416.78
  4. Step 4: Simplify right side
    1,413,010.42x = 1,498,363,560,648.21
  5. Step 5: Solve for x
    x = 1,498,363,560,648.21/1,413,010.42
  6. Step 6: Final answer
    x = 1,060,405.18

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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.