Home / 1,019,494.23-1,529,142.62-309,528.42

Finding the Fourth Proportional to 1,019,494.23, 1,529,142.62 and 309,528.42

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Solution

The fourth proportional to 1,019,494.23, 1,529,142.62 and 309,528.42 is: 464,262.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,494.23 : 1,529,142.62 = 309,528.42 : x
  2. Step 2: Convert to fraction form
    1,019,494.23/1,529,142.62 = 309,528.42/x
  3. Step 3: Cross multiply
    1,019,494.23x = 1,529,142.62 × 309,528.42
  4. Step 4: Simplify right side
    1,019,494.23x = 473,313,099,123.26
  5. Step 5: Solve for x
    x = 473,313,099,123.26/1,019,494.23
  6. Step 6: Final answer
    x = 464,262.66

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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.