Home / 1,206,455.26-1,809,989.20-558,498.58

Finding the Fourth Proportional to 1,206,455.26, 1,809,989.20 and 558,498.58

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Solution

The fourth proportional to 1,206,455.26, 1,809,989.20 and 558,498.58 is: 837,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,455.26 : 1,809,989.20 = 558,498.58 : x
  2. Step 2: Convert to fraction form
    1,206,455.26/1,809,989.20 = 558,498.58/x
  3. Step 3: Cross multiply
    1,206,455.26x = 1,809,989.20 × 558,498.58
  4. Step 4: Simplify right side
    1,206,455.26x = 1,010,876,398,015.34
  5. Step 5: Solve for x
    x = 1,010,876,398,015.34/1,206,455.26
  6. Step 6: Final answer
    x = 837,889.67

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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.