Home / 1,407,464.31-1,940,760.21-1,045,559.55

Finding the Fourth Proportional to 1,407,464.31, 1,940,760.21 and 1,045,559.55

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Solution

The fourth proportional to 1,407,464.31, 1,940,760.21 and 1,045,559.55 is: 1,441,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,464.31 : 1,940,760.21 = 1,045,559.55 : x
  2. Step 2: Convert to fraction form
    1,407,464.31/1,940,760.21 = 1,045,559.55/x
  3. Step 3: Cross multiply
    1,407,464.31x = 1,940,760.21 × 1,045,559.55
  4. Step 4: Simplify right side
    1,407,464.31x = 2,029,180,371,825.51
  5. Step 5: Solve for x
    x = 2,029,180,371,825.51/1,407,464.31
  6. Step 6: Final answer
    x = 1,441,727.76

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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.