Home / 1,621,849.42-2,238,112.75-896,678.46

Finding the Fourth Proportional to 1,621,849.42, 2,238,112.75 and 896,678.46

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Solution

The fourth proportional to 1,621,849.42, 2,238,112.75 and 896,678.46 is: 1,237,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,849.42 : 2,238,112.75 = 896,678.46 : x
  2. Step 2: Convert to fraction form
    1,621,849.42/2,238,112.75 = 896,678.46/x
  3. Step 3: Cross multiply
    1,621,849.42x = 2,238,112.75 × 896,678.46
  4. Step 4: Simplify right side
    1,621,849.42x = 2,006,867,493,976.37
  5. Step 5: Solve for x
    x = 2,006,867,493,976.37/1,621,849.42
  6. Step 6: Final answer
    x = 1,237,394.46

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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.