Home / 1,385,049.84-2,077,650.36-438,349.92

Finding the Fourth Proportional to 1,385,049.84, 2,077,650.36 and 438,349.92

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Solution

The fourth proportional to 1,385,049.84, 2,077,650.36 and 438,349.92 is: 657,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,049.84 : 2,077,650.36 = 438,349.92 : x
  2. Step 2: Convert to fraction form
    1,385,049.84/2,077,650.36 = 438,349.92/x
  3. Step 3: Cross multiply
    1,385,049.84x = 2,077,650.36 × 438,349.92
  4. Step 4: Simplify right side
    1,385,049.84x = 910,737,869,093.97
  5. Step 5: Solve for x
    x = 910,737,869,093.97/1,385,049.84
  6. Step 6: Final answer
    x = 657,548.81

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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.