Home / 1,269,548.80-1,751,864.16-725,576.64

Finding the Fourth Proportional to 1,269,548.80, 1,751,864.16 and 725,576.64

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Solution

The fourth proportional to 1,269,548.80, 1,751,864.16 and 725,576.64 is: 1,001,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,548.80 : 1,751,864.16 = 725,576.64 : x
  2. Step 2: Convert to fraction form
    1,269,548.80/1,751,864.16 = 725,576.64/x
  3. Step 3: Cross multiply
    1,269,548.80x = 1,751,864.16 × 725,576.64
  4. Step 4: Simplify right side
    1,269,548.80x = 1,271,111,710,949.22
  5. Step 5: Solve for x
    x = 1,271,111,710,949.22/1,269,548.80
  6. Step 6: Final answer
    x = 1,001,231.08

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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.