Home / 1,561,284.14-2,153,912.35-1,045,204.29

Finding the Fourth Proportional to 1,561,284.14, 2,153,912.35 and 1,045,204.29

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Solution

The fourth proportional to 1,561,284.14, 2,153,912.35 and 1,045,204.29 is: 1,441,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,284.14 : 2,153,912.35 = 1,045,204.29 : x
  2. Step 2: Convert to fraction form
    1,561,284.14/2,153,912.35 = 1,045,204.29/x
  3. Step 3: Cross multiply
    1,561,284.14x = 2,153,912.35 × 1,045,204.29
  4. Step 4: Simplify right side
    1,561,284.14x = 2,251,278,431,959.72
  5. Step 5: Solve for x
    x = 2,251,278,431,959.72/1,561,284.14
  6. Step 6: Final answer
    x = 1,441,940.25

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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.