Home / 1,224,970.29-1,691,750.21-1,091,388.33

Finding the Fourth Proportional to 1,224,970.29, 1,691,750.21 and 1,091,388.33

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Solution

The fourth proportional to 1,224,970.29, 1,691,750.21 and 1,091,388.33 is: 1,507,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,970.29 : 1,691,750.21 = 1,091,388.33 : x
  2. Step 2: Convert to fraction form
    1,224,970.29/1,691,750.21 = 1,091,388.33/x
  3. Step 3: Cross multiply
    1,224,970.29x = 1,691,750.21 × 1,091,388.33
  4. Step 4: Simplify right side
    1,224,970.29x = 1,846,356,431,012.11
  5. Step 5: Solve for x
    x = 1,846,356,431,012.11/1,224,970.29
  6. Step 6: Final answer
    x = 1,507,266.30

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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.