Home / 982,876.37-1,356,787.85-660,773.25

Finding the Fourth Proportional to 982,876.37, 1,356,787.85 and 660,773.25

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Solution

The fourth proportional to 982,876.37, 1,356,787.85 and 660,773.25 is: 912,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,876.37 : 1,356,787.85 = 660,773.25 : x
  2. Step 2: Convert to fraction form
    982,876.37/1,356,787.85 = 660,773.25/x
  3. Step 3: Cross multiply
    982,876.37x = 1,356,787.85 × 660,773.25
  4. Step 4: Simplify right side
    982,876.37x = 896,529,113,901.15
  5. Step 5: Solve for x
    x = 896,529,113,901.15/982,876.37
  6. Step 6: Final answer
    x = 912,148.41

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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.