Home / 1,213,493.32-1,820,453.82-414,587.08

Finding the Fourth Proportional to 1,213,493.32, 1,820,453.82 and 414,587.08

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Solution

The fourth proportional to 1,213,493.32, 1,820,453.82 and 414,587.08 is: 621,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,493.32 : 1,820,453.82 = 414,587.08 : x
  2. Step 2: Convert to fraction form
    1,213,493.32/1,820,453.82 = 414,587.08/x
  3. Step 3: Cross multiply
    1,213,493.32x = 1,820,453.82 × 414,587.08
  4. Step 4: Simplify right side
    1,213,493.32x = 754,736,633,508.65
  5. Step 5: Solve for x
    x = 754,736,633,508.65/1,213,493.32
  6. Step 6: Final answer
    x = 621,953.68

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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.