Home / 1,551,540.71-2,327,311.47-429,609.71

Finding the Fourth Proportional to 1,551,540.71, 2,327,311.47 and 429,609.71

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Solution

The fourth proportional to 1,551,540.71, 2,327,311.47 and 429,609.71 is: 644,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,540.71 : 2,327,311.47 = 429,609.71 : x
  2. Step 2: Convert to fraction form
    1,551,540.71/2,327,311.47 = 429,609.71/x
  3. Step 3: Cross multiply
    1,551,540.71x = 2,327,311.47 × 429,609.71
  4. Step 4: Simplify right side
    1,551,540.71x = 999,835,594,069.82
  5. Step 5: Solve for x
    x = 999,835,594,069.82/1,551,540.71
  6. Step 6: Final answer
    x = 644,414.67

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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.