Home / 1,444,221.18-1,993,965.12-1,003,518.54

Finding the Fourth Proportional to 1,444,221.18, 1,993,965.12 and 1,003,518.54

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Solution

The fourth proportional to 1,444,221.18, 1,993,965.12 and 1,003,518.54 is: 1,385,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,221.18 : 1,993,965.12 = 1,003,518.54 : x
  2. Step 2: Convert to fraction form
    1,444,221.18/1,993,965.12 = 1,003,518.54/x
  3. Step 3: Cross multiply
    1,444,221.18x = 1,993,965.12 × 1,003,518.54
  4. Step 4: Simplify right side
    1,444,221.18x = 2,000,980,966,033.33
  5. Step 5: Solve for x
    x = 2,000,980,966,033.33/1,444,221.18
  6. Step 6: Final answer
    x = 1,385,508.67

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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.