Home / 1,029,113.27-1,420,174.90-570,257.54

Finding the Fourth Proportional to 1,029,113.27, 1,420,174.90 and 570,257.54

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Solution

The fourth proportional to 1,029,113.27, 1,420,174.90 and 570,257.54 is: 786,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,113.27 : 1,420,174.90 = 570,257.54 : x
  2. Step 2: Convert to fraction form
    1,029,113.27/1,420,174.90 = 570,257.54/x
  3. Step 3: Cross multiply
    1,029,113.27x = 1,420,174.90 × 570,257.54
  4. Step 4: Simplify right side
    1,029,113.27x = 809,865,446,968.54
  5. Step 5: Solve for x
    x = 809,865,446,968.54/1,029,113.27
  6. Step 6: Final answer
    x = 786,954.63

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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.