Home / 1,260,253.92-1,890,626.94-407,537.40

Finding the Fourth Proportional to 1,260,253.92, 1,890,626.94 and 407,537.40

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Solution

The fourth proportional to 1,260,253.92, 1,890,626.94 and 407,537.40 is: 611,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,253.92 : 1,890,626.94 = 407,537.40 : x
  2. Step 2: Convert to fraction form
    1,260,253.92/1,890,626.94 = 407,537.40/x
  3. Step 3: Cross multiply
    1,260,253.92x = 1,890,626.94 × 407,537.40
  4. Step 4: Simplify right side
    1,260,253.92x = 770,501,187,497.56
  5. Step 5: Solve for x
    x = 770,501,187,497.56/1,260,253.92
  6. Step 6: Final answer
    x = 611,385.67

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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.