Home / 1,208,230.22-1,666,942.74-749,179.53

Finding the Fourth Proportional to 1,208,230.22, 1,666,942.74 and 749,179.53

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Solution

The fourth proportional to 1,208,230.22, 1,666,942.74 and 749,179.53 is: 1,033,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,230.22 : 1,666,942.74 = 749,179.53 : x
  2. Step 2: Convert to fraction form
    1,208,230.22/1,666,942.74 = 749,179.53/x
  3. Step 3: Cross multiply
    1,208,230.22x = 1,666,942.74 × 749,179.53
  4. Step 4: Simplify right side
    1,208,230.22x = 1,248,839,378,490.11
  5. Step 5: Solve for x
    x = 1,248,839,378,490.11/1,208,230.22
  6. Step 6: Final answer
    x = 1,033,610.45

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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.