Home / 1,215,558.80-1,823,653.44-646,471.93

Finding the Fourth Proportional to 1,215,558.80, 1,823,653.44 and 646,471.93

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Solution

The fourth proportional to 1,215,558.80, 1,823,653.44 and 646,471.93 is: 969,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,558.80 : 1,823,653.44 = 646,471.93 : x
  2. Step 2: Convert to fraction form
    1,215,558.80/1,823,653.44 = 646,471.93/x
  3. Step 3: Cross multiply
    1,215,558.80x = 1,823,653.44 × 646,471.93
  4. Step 4: Simplify right side
    1,215,558.80x = 1,178,940,755,775.58
  5. Step 5: Solve for x
    x = 1,178,940,755,775.58/1,215,558.80
  6. Step 6: Final answer
    x = 969,875.55

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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.