Home / 1,419,446.80-2,129,429.40-578,083.60

Finding the Fourth Proportional to 1,419,446.80, 2,129,429.40 and 578,083.60

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Solution

The fourth proportional to 1,419,446.80, 2,129,429.40 and 578,083.60 is: 867,230.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,446.80 : 2,129,429.40 = 578,083.60 : x
  2. Step 2: Convert to fraction form
    1,419,446.80/2,129,429.40 = 578,083.60/x
  3. Step 3: Cross multiply
    1,419,446.80x = 2,129,429.40 × 578,083.60
  4. Step 4: Simplify right side
    1,419,446.80x = 1,230,988,213,497.84
  5. Step 5: Solve for x
    x = 1,230,988,213,497.84/1,419,446.80
  6. Step 6: Final answer
    x = 867,230.96

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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.