Home / 999,345.85-1,379,093.24-540,460.86

Finding the Fourth Proportional to 999,345.85, 1,379,093.24 and 540,460.86

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Solution

The fourth proportional to 999,345.85, 1,379,093.24 and 540,460.86 is: 745,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,345.85 : 1,379,093.24 = 540,460.86 : x
  2. Step 2: Convert to fraction form
    999,345.85/1,379,093.24 = 540,460.86/x
  3. Step 3: Cross multiply
    999,345.85x = 1,379,093.24 × 540,460.86
  4. Step 4: Simplify right side
    999,345.85x = 745,345,914,690.14
  5. Step 5: Solve for x
    x = 745,345,914,690.14/999,345.85
  6. Step 6: Final answer
    x = 745,833.80

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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.