Home / 1,343,576.78-1,854,137.98-731,732.20

Finding the Fourth Proportional to 1,343,576.78, 1,854,137.98 and 731,732.20

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Solution

The fourth proportional to 1,343,576.78, 1,854,137.98 and 731,732.20 is: 1,009,791.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,576.78 : 1,854,137.98 = 731,732.20 : x
  2. Step 2: Convert to fraction form
    1,343,576.78/1,854,137.98 = 731,732.20/x
  3. Step 3: Cross multiply
    1,343,576.78x = 1,854,137.98 × 731,732.20
  4. Step 4: Simplify right side
    1,343,576.78x = 1,356,732,463,208.96
  5. Step 5: Solve for x
    x = 1,356,732,463,208.96/1,343,576.78
  6. Step 6: Final answer
    x = 1,009,791.54

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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.