Home / 1,019,560.38-1,529,340.48-485,462.18

Finding the Fourth Proportional to 1,019,560.38, 1,529,340.48 and 485,462.18

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Solution

The fourth proportional to 1,019,560.38, 1,529,340.48 and 485,462.18 is: 728,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,560.38 : 1,529,340.48 = 485,462.18 : x
  2. Step 2: Convert to fraction form
    1,019,560.38/1,529,340.48 = 485,462.18/x
  3. Step 3: Cross multiply
    1,019,560.38x = 1,529,340.48 × 485,462.18
  4. Step 4: Simplify right side
    1,019,560.38x = 742,436,957,556.83
  5. Step 5: Solve for x
    x = 742,436,957,556.83/1,019,560.38
  6. Step 6: Final answer
    x = 728,193.22

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Double scale
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Similar ratio
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1.5x scale

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.