Home / 1,252,381.73-1,878,567.98-453,476.43

Finding the Fourth Proportional to 1,252,381.73, 1,878,567.98 and 453,476.43

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Solution

The fourth proportional to 1,252,381.73, 1,878,567.98 and 453,476.43 is: 680,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,381.73 : 1,878,567.98 = 453,476.43 : x
  2. Step 2: Convert to fraction form
    1,252,381.73/1,878,567.98 = 453,476.43/x
  3. Step 3: Cross multiply
    1,252,381.73x = 1,878,567.98 × 453,476.43
  4. Step 4: Simplify right side
    1,252,381.73x = 851,886,298,815.33
  5. Step 5: Solve for x
    x = 851,886,298,815.33/1,252,381.73
  6. Step 6: Final answer
    x = 680,212.97

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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.