Home / 1,019,561.75-1,529,342.55-485,463.55

Finding the Fourth Proportional to 1,019,561.75, 1,529,342.55 and 485,463.55

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Solution

The fourth proportional to 1,019,561.75, 1,529,342.55 and 485,463.55 is: 728,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,561.75 : 1,529,342.55 = 485,463.55 : x
  2. Step 2: Convert to fraction form
    1,019,561.75/1,529,342.55 = 485,463.55/x
  3. Step 3: Cross multiply
    1,019,561.75x = 1,529,342.55 × 485,463.55
  4. Step 4: Simplify right side
    1,019,561.75x = 742,440,063,489.05
  5. Step 5: Solve for x
    x = 742,440,063,489.05/1,019,561.75
  6. Step 6: Final answer
    x = 728,195.29

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Double scale
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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.