Home / 1,194,012.11-1,648,420.04-787,297.07

Finding the Fourth Proportional to 1,194,012.11, 1,648,420.04 and 787,297.07

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Solution

The fourth proportional to 1,194,012.11, 1,648,420.04 and 787,297.07 is: 1,086,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,012.11 : 1,648,420.04 = 787,297.07 : x
  2. Step 2: Convert to fraction form
    1,194,012.11/1,648,420.04 = 787,297.07/x
  3. Step 3: Cross multiply
    1,194,012.11x = 1,648,420.04 × 787,297.07
  4. Step 4: Simplify right side
    1,194,012.11x = 1,297,796,261,347.43
  5. Step 5: Solve for x
    x = 1,297,796,261,347.43/1,194,012.11
  6. Step 6: Final answer
    x = 1,086,920.52

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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.