Home / 1,265,142.10-1,745,939.70-692,182.30

Finding the Fourth Proportional to 1,265,142.10, 1,745,939.70 and 692,182.30

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Solution

The fourth proportional to 1,265,142.10, 1,745,939.70 and 692,182.30 is: 955,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,142.10 : 1,745,939.70 = 692,182.30 : x
  2. Step 2: Convert to fraction form
    1,265,142.10/1,745,939.70 = 692,182.30/x
  3. Step 3: Cross multiply
    1,265,142.10x = 1,745,939.70 × 692,182.30
  4. Step 4: Simplify right side
    1,265,142.10x = 1,208,508,557,207.31
  5. Step 5: Solve for x
    x = 1,208,508,557,207.31/1,265,142.10
  6. Step 6: Final answer
    x = 955,235.43

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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.