Home / 1,300,126.96-1,794,165.45-727,167.13

Finding the Fourth Proportional to 1,300,126.96, 1,794,165.45 and 727,167.13

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Solution

The fourth proportional to 1,300,126.96, 1,794,165.45 and 727,167.13 is: 1,003,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,126.96 : 1,794,165.45 = 727,167.13 : x
  2. Step 2: Convert to fraction form
    1,300,126.96/1,794,165.45 = 727,167.13/x
  3. Step 3: Cross multiply
    1,300,126.96x = 1,794,165.45 × 727,167.13
  4. Step 4: Simplify right side
    1,300,126.96x = 1,304,658,148,431.50
  5. Step 5: Solve for x
    x = 1,304,658,148,431.50/1,300,126.96
  6. Step 6: Final answer
    x = 1,003,485.19

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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.