Home / 1,202,682.20-1,658,371.47-766,408.45

Finding the Fourth Proportional to 1,202,682.20, 1,658,371.47 and 766,408.45

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Solution

The fourth proportional to 1,202,682.20, 1,658,371.47 and 766,408.45 is: 1,056,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,682.20 : 1,658,371.47 = 766,408.45 : x
  2. Step 2: Convert to fraction form
    1,202,682.20/1,658,371.47 = 766,408.45/x
  3. Step 3: Cross multiply
    1,202,682.20x = 1,658,371.47 × 766,408.45
  4. Step 4: Simplify right side
    1,202,682.20x = 1,270,989,907,846.92
  5. Step 5: Solve for x
    x = 1,270,989,907,846.92/1,202,682.20
  6. Step 6: Final answer
    x = 1,056,796.14

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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.