Home / 1,055,405.49-1,456,455.90-571,982.50

Finding the Fourth Proportional to 1,055,405.49, 1,456,455.90 and 571,982.50

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Solution

The fourth proportional to 1,055,405.49, 1,456,455.90 and 571,982.50 is: 789,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,405.49 : 1,456,455.90 = 571,982.50 : x
  2. Step 2: Convert to fraction form
    1,055,405.49/1,456,455.90 = 571,982.50/x
  3. Step 3: Cross multiply
    1,055,405.49x = 1,456,455.90 × 571,982.50
  4. Step 4: Simplify right side
    1,055,405.49x = 833,067,286,821.75
  5. Step 5: Solve for x
    x = 833,067,286,821.75/1,055,405.49
  6. Step 6: Final answer
    x = 789,333.86

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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.