Home / 988,702.70-1,364,420.47-580,821.73

Finding the Fourth Proportional to 988,702.70, 1,364,420.47 and 580,821.73

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Solution

The fourth proportional to 988,702.70, 1,364,420.47 and 580,821.73 is: 801,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,702.70 : 1,364,420.47 = 580,821.73 : x
  2. Step 2: Convert to fraction form
    988,702.70/1,364,420.47 = 580,821.73/x
  3. Step 3: Cross multiply
    988,702.70x = 1,364,420.47 × 580,821.73
  4. Step 4: Simplify right side
    988,702.70x = 792,485,051,010.71
  5. Step 5: Solve for x
    x = 792,485,051,010.71/988,702.70
  6. Step 6: Final answer
    x = 801,540.30

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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.