Home / 1,082,381.52-1,493,844.96-623,407.86

Finding the Fourth Proportional to 1,082,381.52, 1,493,844.96 and 623,407.86

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Solution

The fourth proportional to 1,082,381.52, 1,493,844.96 and 623,407.86 is: 860,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,381.52 : 1,493,844.96 = 623,407.86 : x
  2. Step 2: Convert to fraction form
    1,082,381.52/1,493,844.96 = 623,407.86/x
  3. Step 3: Cross multiply
    1,082,381.52x = 1,493,844.96 × 623,407.86
  4. Step 4: Simplify right side
    1,082,381.52x = 931,274,689,685.39
  5. Step 5: Solve for x
    x = 931,274,689,685.39/1,082,381.52
  6. Step 6: Final answer
    x = 860,394.11

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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.