Home / 1,307,997.79-1,805,530.20-764,310.28

Finding the Fourth Proportional to 1,307,997.79, 1,805,530.20 and 764,310.28

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Solution

The fourth proportional to 1,307,997.79, 1,805,530.20 and 764,310.28 is: 1,055,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,997.79 : 1,805,530.20 = 764,310.28 : x
  2. Step 2: Convert to fraction form
    1,307,997.79/1,805,530.20 = 764,310.28/x
  3. Step 3: Cross multiply
    1,307,997.79x = 1,805,530.20 × 764,310.28
  4. Step 4: Simplify right side
    1,307,997.79x = 1,379,985,292,710.46
  5. Step 5: Solve for x
    x = 1,379,985,292,710.46/1,307,997.79
  6. Step 6: Final answer
    x = 1,055,036.41

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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.