Home / 1,142,871.84-1,714,045.42-681,380.39

Finding the Fourth Proportional to 1,142,871.84, 1,714,045.42 and 681,380.39

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Solution

The fourth proportional to 1,142,871.84, 1,714,045.42 and 681,380.39 is: 1,021,914.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,871.84 : 1,714,045.42 = 681,380.39 : x
  2. Step 2: Convert to fraction form
    1,142,871.84/1,714,045.42 = 681,380.39/x
  3. Step 3: Cross multiply
    1,142,871.84x = 1,714,045.42 × 681,380.39
  4. Step 4: Simplify right side
    1,142,871.84x = 1,167,916,933,350.41
  5. Step 5: Solve for x
    x = 1,167,916,933,350.41/1,142,871.84
  6. Step 6: Final answer
    x = 1,021,914.17

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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.