Home / 1,369,670.91-1,890,120.92-757,823.64

Finding the Fourth Proportional to 1,369,670.91, 1,890,120.92 and 757,823.64

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Solution

The fourth proportional to 1,369,670.91, 1,890,120.92 and 757,823.64 is: 1,045,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,670.91 : 1,890,120.92 = 757,823.64 : x
  2. Step 2: Convert to fraction form
    1,369,670.91/1,890,120.92 = 757,823.64/x
  3. Step 3: Cross multiply
    1,369,670.91x = 1,890,120.92 × 757,823.64
  4. Step 4: Simplify right side
    1,369,670.91x = 1,432,378,315,634.55
  5. Step 5: Solve for x
    x = 1,432,378,315,634.55/1,369,670.91
  6. Step 6: Final answer
    x = 1,045,782.83

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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.