Home / 1,082,678.81-1,494,149.90-623,865.24

Finding the Fourth Proportional to 1,082,678.81, 1,494,149.90 and 623,865.24

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Solution

The fourth proportional to 1,082,678.81, 1,494,149.90 and 623,865.24 is: 860,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,678.81 : 1,494,149.90 = 623,865.24 : x
  2. Step 2: Convert to fraction form
    1,082,678.81/1,494,149.90 = 623,865.24/x
  3. Step 3: Cross multiply
    1,082,678.81x = 1,494,149.90 × 623,865.24
  4. Step 4: Simplify right side
    1,082,678.81x = 932,148,182,840.15
  5. Step 5: Solve for x
    x = 932,148,182,840.15/1,082,678.81
  6. Step 6: Final answer
    x = 860,964.65

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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.