Home / 1,246,672.31-1,720,333.63-723,342.51

Finding the Fourth Proportional to 1,246,672.31, 1,720,333.63 and 723,342.51

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Solution

The fourth proportional to 1,246,672.31, 1,720,333.63 and 723,342.51 is: 998,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,672.31 : 1,720,333.63 = 723,342.51 : x
  2. Step 2: Convert to fraction form
    1,246,672.31/1,720,333.63 = 723,342.51/x
  3. Step 3: Cross multiply
    1,246,672.31x = 1,720,333.63 × 723,342.51
  4. Step 4: Simplify right side
    1,246,672.31x = 1,244,390,442,796.99
  5. Step 5: Solve for x
    x = 1,244,390,442,796.99/1,246,672.31
  6. Step 6: Final answer
    x = 998,169.63

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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.