Home / 1,212,581.58-1,818,371.94-413,927.52

Finding the Fourth Proportional to 1,212,581.58, 1,818,371.94 and 413,927.52

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Solution

The fourth proportional to 1,212,581.58, 1,818,371.94 and 413,927.52 is: 620,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,581.58 : 1,818,371.94 = 413,927.52 : x
  2. Step 2: Convert to fraction form
    1,212,581.58/1,818,371.94 = 413,927.52/x
  3. Step 3: Cross multiply
    1,212,581.58x = 1,818,371.94 × 413,927.52
  4. Step 4: Simplify right side
    1,212,581.58x = 752,674,187,561.79
  5. Step 5: Solve for x
    x = 752,674,187,561.79/1,212,581.58
  6. Step 6: Final answer
    x = 620,720.45

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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.