Home / 1,255,490.37-1,732,712.22-711,567.78

Finding the Fourth Proportional to 1,255,490.37, 1,732,712.22 and 711,567.78

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Solution

The fourth proportional to 1,255,490.37, 1,732,712.22 and 711,567.78 is: 982,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,490.37 : 1,732,712.22 = 711,567.78 : x
  2. Step 2: Convert to fraction form
    1,255,490.37/1,732,712.22 = 711,567.78/x
  3. Step 3: Cross multiply
    1,255,490.37x = 1,732,712.22 × 711,567.78
  4. Step 4: Simplify right side
    1,255,490.37x = 1,232,942,187,764.27
  5. Step 5: Solve for x
    x = 1,232,942,187,764.27/1,255,490.37
  6. Step 6: Final answer
    x = 982,040.34

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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.