Home / 1,264,719.36-1,745,268.52-721,030.24

Finding the Fourth Proportional to 1,264,719.36, 1,745,268.52 and 721,030.24

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Solution

The fourth proportional to 1,264,719.36, 1,745,268.52 and 721,030.24 is: 994,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,719.36 : 1,745,268.52 = 721,030.24 : x
  2. Step 2: Convert to fraction form
    1,264,719.36/1,745,268.52 = 721,030.24/x
  3. Step 3: Cross multiply
    1,264,719.36x = 1,745,268.52 × 721,030.24
  4. Step 4: Simplify right side
    1,264,719.36x = 1,258,391,379,840.04
  5. Step 5: Solve for x
    x = 1,258,391,379,840.04/1,264,719.36
  6. Step 6: Final answer
    x = 994,996.53

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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.