Home / 999,451.44-1,379,238.60-540,566.52

Finding the Fourth Proportional to 999,451.44, 1,379,238.60 and 540,566.52

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Solution

The fourth proportional to 999,451.44, 1,379,238.60 and 540,566.52 is: 745,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,451.44 : 1,379,238.60 = 540,566.52 : x
  2. Step 2: Convert to fraction form
    999,451.44/1,379,238.60 = 540,566.52/x
  3. Step 3: Cross multiply
    999,451.44x = 1,379,238.60 × 540,566.52
  4. Step 4: Simplify right side
    999,451.44x = 745,570,210,251.67
  5. Step 5: Solve for x
    x = 745,570,210,251.67/999,451.44
  6. Step 6: Final answer
    x = 745,979.42

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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.