Home / 1,019,567.43-1,529,251.80-309,601.62

Finding the Fourth Proportional to 1,019,567.43, 1,529,251.80 and 309,601.62

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Solution

The fourth proportional to 1,019,567.43, 1,529,251.80 and 309,601.62 is: 464,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,567.43 : 1,529,251.80 = 309,601.62 : x
  2. Step 2: Convert to fraction form
    1,019,567.43/1,529,251.80 = 309,601.62/x
  3. Step 3: Cross multiply
    1,019,567.43x = 1,529,251.80 × 309,601.62
  4. Step 4: Simplify right side
    1,019,567.43x = 473,458,834,667.92
  5. Step 5: Solve for x
    x = 473,458,834,667.92/1,019,567.43
  6. Step 6: Final answer
    x = 464,372.26

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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.