Home / 1,246,349.82-1,719,677.43-786,911.67

Finding the Fourth Proportional to 1,246,349.82, 1,719,677.43 and 786,911.67

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Solution

The fourth proportional to 1,246,349.82, 1,719,677.43 and 786,911.67 is: 1,085,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,349.82 : 1,719,677.43 = 786,911.67 : x
  2. Step 2: Convert to fraction form
    1,246,349.82/1,719,677.43 = 786,911.67/x
  3. Step 3: Cross multiply
    1,246,349.82x = 1,719,677.43 × 786,911.67
  4. Step 4: Simplify right side
    1,246,349.82x = 1,353,234,238,302.61
  5. Step 5: Solve for x
    x = 1,353,234,238,302.61/1,246,349.82
  6. Step 6: Final answer
    x = 1,085,757.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.