Home / 1,214,168.70-1,675,772.15-724,169.67

Finding the Fourth Proportional to 1,214,168.70, 1,675,772.15 and 724,169.67

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Solution

The fourth proportional to 1,214,168.70, 1,675,772.15 and 724,169.67 is: 999,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,168.70 : 1,675,772.15 = 724,169.67 : x
  2. Step 2: Convert to fraction form
    1,214,168.70/1,675,772.15 = 724,169.67/x
  3. Step 3: Cross multiply
    1,214,168.70x = 1,675,772.15 × 724,169.67
  4. Step 4: Simplify right side
    1,214,168.70x = 1,213,543,361,239.84
  5. Step 5: Solve for x
    x = 1,213,543,361,239.84/1,214,168.70
  6. Step 6: Final answer
    x = 999,484.97

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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.