Home / 1,492,427.55-2,238,632.21-427,471.55

Finding the Fourth Proportional to 1,492,427.55, 2,238,632.21 and 427,471.55

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Solution

The fourth proportional to 1,492,427.55, 2,238,632.21 and 427,471.55 is: 641,204.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,427.55 : 2,238,632.21 = 427,471.55 : x
  2. Step 2: Convert to fraction form
    1,492,427.55/2,238,632.21 = 427,471.55/x
  3. Step 3: Cross multiply
    1,492,427.55x = 2,238,632.21 × 427,471.55
  4. Step 4: Simplify right side
    1,492,427.55x = 956,951,567,358.11
  5. Step 5: Solve for x
    x = 956,951,567,358.11/1,492,427.55
  6. Step 6: Final answer
    x = 641,204.71

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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.