Home / 1,369,188.48-1,889,483.76-765,576.48

Finding the Fourth Proportional to 1,369,188.48, 1,889,483.76 and 765,576.48

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Solution

The fourth proportional to 1,369,188.48, 1,889,483.76 and 765,576.48 is: 1,056,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,188.48 : 1,889,483.76 = 765,576.48 : x
  2. Step 2: Convert to fraction form
    1,369,188.48/1,889,483.76 = 765,576.48/x
  3. Step 3: Cross multiply
    1,369,188.48x = 1,889,483.76 × 765,576.48
  4. Step 4: Simplify right side
    1,369,188.48x = 1,446,544,325,997.97
  5. Step 5: Solve for x
    x = 1,446,544,325,997.97/1,369,188.48
  6. Step 6: Final answer
    x = 1,056,497.59

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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.