Home / 1,761,775.45-2,431,451.81-987,615.39

Finding the Fourth Proportional to 1,761,775.45, 2,431,451.81 and 987,615.39

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Solution

The fourth proportional to 1,761,775.45, 2,431,451.81 and 987,615.39 is: 1,363,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,775.45 : 2,431,451.81 = 987,615.39 : x
  2. Step 2: Convert to fraction form
    1,761,775.45/2,431,451.81 = 987,615.39/x
  3. Step 3: Cross multiply
    1,761,775.45x = 2,431,451.81 × 987,615.39
  4. Step 4: Simplify right side
    1,761,775.45x = 2,401,339,227,599.36
  5. Step 5: Solve for x
    x = 2,401,339,227,599.36/1,761,775.45
  6. Step 6: Final answer
    x = 1,363,022.30

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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.