Home / 1,019,654.55-1,529,382.33-309,688.74

Finding the Fourth Proportional to 1,019,654.55, 1,529,382.33 and 309,688.74

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Solution

The fourth proportional to 1,019,654.55, 1,529,382.33 and 309,688.74 is: 464,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,654.55 : 1,529,382.33 = 309,688.74 : x
  2. Step 2: Convert to fraction form
    1,019,654.55/1,529,382.33 = 309,688.74/x
  3. Step 3: Cross multiply
    1,019,654.55x = 1,529,382.33 × 309,688.74
  4. Step 4: Simplify right side
    1,019,654.55x = 473,632,486,755.96
  5. Step 5: Solve for x
    x = 473,632,486,755.96/1,019,654.55
  6. Step 6: Final answer
    x = 464,502.89

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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.