Home / 999,867.16-1,379,806.86-540,971.66

Finding the Fourth Proportional to 999,867.16, 1,379,806.86 and 540,971.66

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Solution

The fourth proportional to 999,867.16, 1,379,806.86 and 540,971.66 is: 746,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,867.16 : 1,379,806.86 = 540,971.66 : x
  2. Step 2: Convert to fraction form
    999,867.16/1,379,806.86 = 540,971.66/x
  3. Step 3: Cross multiply
    999,867.16x = 1,379,806.86 × 540,971.66
  4. Step 4: Simplify right side
    999,867.16x = 746,436,397,929.70
  5. Step 5: Solve for x
    x = 746,436,397,929.70/999,867.16
  6. Step 6: Final answer
    x = 746,535.57

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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.