Home / 942,026.49-1,299,984.21-512,297.46

Finding the Fourth Proportional to 942,026.49, 1,299,984.21 and 512,297.46

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Solution

The fourth proportional to 942,026.49, 1,299,984.21 and 512,297.46 is: 706,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,026.49 : 1,299,984.21 = 512,297.46 : x
  2. Step 2: Convert to fraction form
    942,026.49/1,299,984.21 = 512,297.46/x
  3. Step 3: Cross multiply
    942,026.49x = 1,299,984.21 × 512,297.46
  4. Step 4: Simplify right side
    942,026.49x = 665,978,608,823.11
  5. Step 5: Solve for x
    x = 665,978,608,823.11/942,026.49
  6. Step 6: Final answer
    x = 706,963.78

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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.