Home / 1,212,441.47-1,818,849.01-413,536.34

Finding the Fourth Proportional to 1,212,441.47, 1,818,849.01 and 413,536.34

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Solution

The fourth proportional to 1,212,441.47, 1,818,849.01 and 413,536.34 is: 620,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,441.47 : 1,818,849.01 = 413,536.34 : x
  2. Step 2: Convert to fraction form
    1,212,441.47/1,818,849.01 = 413,536.34/x
  3. Step 3: Cross multiply
    1,212,441.47x = 1,818,849.01 × 413,536.34
  4. Step 4: Simplify right side
    1,212,441.47x = 752,160,162,608.02
  5. Step 5: Solve for x
    x = 752,160,162,608.02/1,212,441.47
  6. Step 6: Final answer
    x = 620,368.22

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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.