Home / 1,285,082.36-1,773,424.16-712,132.10

Finding the Fourth Proportional to 1,285,082.36, 1,773,424.16 and 712,132.10

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Solution

The fourth proportional to 1,285,082.36, 1,773,424.16 and 712,132.10 is: 982,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,082.36 : 1,773,424.16 = 712,132.10 : x
  2. Step 2: Convert to fraction form
    1,285,082.36/1,773,424.16 = 712,132.10/x
  3. Step 3: Cross multiply
    1,285,082.36x = 1,773,424.16 × 712,132.10
  4. Step 4: Simplify right side
    1,285,082.36x = 1,262,912,271,251.54
  5. Step 5: Solve for x
    x = 1,262,912,271,251.54/1,285,082.36
  6. Step 6: Final answer
    x = 982,748.12

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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.