Home / 988,741.86-1,364,517.81-559,059.54

Finding the Fourth Proportional to 988,741.86, 1,364,517.81 and 559,059.54

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Solution

The fourth proportional to 988,741.86, 1,364,517.81 and 559,059.54 is: 771,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,741.86 : 1,364,517.81 = 559,059.54 : x
  2. Step 2: Convert to fraction form
    988,741.86/1,364,517.81 = 559,059.54/x
  3. Step 3: Cross multiply
    988,741.86x = 1,364,517.81 × 559,059.54
  4. Step 4: Simplify right side
    988,741.86x = 762,846,699,180.41
  5. Step 5: Solve for x
    x = 762,846,699,180.41/988,741.86
  6. Step 6: Final answer
    x = 771,532.72

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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.