Home / 999,435.60-1,379,216.82-540,550.62

Finding the Fourth Proportional to 999,435.60, 1,379,216.82 and 540,550.62

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Solution

The fourth proportional to 999,435.60, 1,379,216.82 and 540,550.62 is: 745,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,435.60 : 1,379,216.82 = 540,550.62 : x
  2. Step 2: Convert to fraction form
    999,435.60/1,379,216.82 = 540,550.62/x
  3. Step 3: Cross multiply
    999,435.60x = 1,379,216.82 × 540,550.62
  4. Step 4: Simplify right side
    999,435.60x = 745,536,507,165.43
  5. Step 5: Solve for x
    x = 745,536,507,165.43/999,435.60
  6. Step 6: Final answer
    x = 745,957.53

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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.