Home / 999,052.33-1,378,689.43-540,163.69

Finding the Fourth Proportional to 999,052.33, 1,378,689.43 and 540,163.69

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Solution

The fourth proportional to 999,052.33, 1,378,689.43 and 540,163.69 is: 745,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,052.33 : 1,378,689.43 = 540,163.69 : x
  2. Step 2: Convert to fraction form
    999,052.33/1,378,689.43 = 540,163.69/x
  3. Step 3: Cross multiply
    999,052.33x = 1,378,689.43 × 540,163.69
  4. Step 4: Simplify right side
    999,052.33x = 744,717,969,872.80
  5. Step 5: Solve for x
    x = 744,717,969,872.80/999,052.33
  6. Step 6: Final answer
    x = 745,424.39

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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.