Home / 1,285,052.72-1,773,351.96-712,091.12

Finding the Fourth Proportional to 1,285,052.72, 1,773,351.96 and 712,091.12

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Solution

The fourth proportional to 1,285,052.72, 1,773,351.96 and 712,091.12 is: 982,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,052.72 : 1,773,351.96 = 712,091.12 : x
  2. Step 2: Convert to fraction form
    1,285,052.72/1,773,351.96 = 712,091.12/x
  3. Step 3: Cross multiply
    1,285,052.72x = 1,773,351.96 × 712,091.12
  4. Step 4: Simplify right side
    1,285,052.72x = 1,262,788,183,350.60
  5. Step 5: Solve for x
    x = 1,262,788,183,350.60/1,285,052.72
  6. Step 6: Final answer
    x = 982,674.22

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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.