Home / 1,082,378.52-1,493,840.79-623,404.85

Finding the Fourth Proportional to 1,082,378.52, 1,493,840.79 and 623,404.85

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Solution

The fourth proportional to 1,082,378.52, 1,493,840.79 and 623,404.85 is: 860,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,378.52 : 1,493,840.79 = 623,404.85 : x
  2. Step 2: Convert to fraction form
    1,082,378.52/1,493,840.79 = 623,404.85/x
  3. Step 3: Cross multiply
    1,082,378.52x = 1,493,840.79 × 623,404.85
  4. Step 4: Simplify right side
    1,082,378.52x = 931,267,586,144.63
  5. Step 5: Solve for x
    x = 931,267,586,144.63/1,082,378.52
  6. Step 6: Final answer
    x = 860,389.94

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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.