Home / 1,149,725.01-1,586,669.55-640,427.61

Finding the Fourth Proportional to 1,149,725.01, 1,586,669.55 and 640,427.61

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Solution

The fourth proportional to 1,149,725.01, 1,586,669.55 and 640,427.61 is: 883,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,725.01 : 1,586,669.55 = 640,427.61 : x
  2. Step 2: Convert to fraction form
    1,149,725.01/1,586,669.55 = 640,427.61/x
  3. Step 3: Cross multiply
    1,149,725.01x = 1,586,669.55 × 640,427.61
  4. Step 4: Simplify right side
    1,149,725.01x = 1,016,146,976,630.79
  5. Step 5: Solve for x
    x = 1,016,146,976,630.79/1,149,725.01
  6. Step 6: Final answer
    x = 883,817.41

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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.