Home / 1,160,672.78-1,601,778.47-644,426.69

Finding the Fourth Proportional to 1,160,672.78, 1,601,778.47 and 644,426.69

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Solution

The fourth proportional to 1,160,672.78, 1,601,778.47 and 644,426.69 is: 889,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,672.78 : 1,601,778.47 = 644,426.69 : x
  2. Step 2: Convert to fraction form
    1,160,672.78/1,601,778.47 = 644,426.69/x
  3. Step 3: Cross multiply
    1,160,672.78x = 1,601,778.47 × 644,426.69
  4. Step 4: Simplify right side
    1,160,672.78x = 1,032,228,786,304.34
  5. Step 5: Solve for x
    x = 1,032,228,786,304.34/1,160,672.78
  6. Step 6: Final answer
    x = 889,336.60

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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.