Home / 783,719.42-1,173,319.22-702,683.78

Finding the Fourth Proportional to 783,719.42, 1,173,319.22 and 702,683.78

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Solution

The fourth proportional to 783,719.42, 1,173,319.22 and 702,683.78 is: 1,051,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,719.42 : 1,173,319.22 = 702,683.78 : x
  2. Step 2: Convert to fraction form
    783,719.42/1,173,319.22 = 702,683.78/x
  3. Step 3: Cross multiply
    783,719.42x = 1,173,319.22 × 702,683.78
  4. Step 4: Simplify right side
    783,719.42x = 824,472,380,546.37
  5. Step 5: Solve for x
    x = 824,472,380,546.37/783,719.42
  6. Step 6: Final answer
    x = 1,051,999.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.