Home / 1,212,679.15-1,817,023.69-961,572.67

Finding the Fourth Proportional to 1,212,679.15, 1,817,023.69 and 961,572.67

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Solution

The fourth proportional to 1,212,679.15, 1,817,023.69 and 961,572.67 is: 1,440,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,679.15 : 1,817,023.69 = 961,572.67 : x
  2. Step 2: Convert to fraction form
    1,212,679.15/1,817,023.69 = 961,572.67/x
  3. Step 3: Cross multiply
    1,212,679.15x = 1,817,023.69 × 961,572.67
  4. Step 4: Simplify right side
    1,212,679.15x = 1,747,200,317,705.96
  5. Step 5: Solve for x
    x = 1,747,200,317,705.96/1,212,679.15
  6. Step 6: Final answer
    x = 1,440,777.08

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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.