Home / 1,344,420.78-1,855,320.03-740,795.82

Finding the Fourth Proportional to 1,344,420.78, 1,855,320.03 and 740,795.82

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Solution

The fourth proportional to 1,344,420.78, 1,855,320.03 and 740,795.82 is: 1,022,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,420.78 : 1,855,320.03 = 740,795.82 : x
  2. Step 2: Convert to fraction form
    1,344,420.78/1,855,320.03 = 740,795.82/x
  3. Step 3: Cross multiply
    1,344,420.78x = 1,855,320.03 × 740,795.82
  4. Step 4: Simplify right side
    1,344,420.78x = 1,374,413,322,986.27
  5. Step 5: Solve for x
    x = 1,374,413,322,986.27/1,344,420.78
  6. Step 6: Final answer
    x = 1,022,308.90

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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.