Home / 1,129,601.30-1,694,402.55-709,172.42

Finding the Fourth Proportional to 1,129,601.30, 1,694,402.55 and 709,172.42

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Solution

The fourth proportional to 1,129,601.30, 1,694,402.55 and 709,172.42 is: 1,063,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,601.30 : 1,694,402.55 = 709,172.42 : x
  2. Step 2: Convert to fraction form
    1,129,601.30/1,694,402.55 = 709,172.42/x
  3. Step 3: Cross multiply
    1,129,601.30x = 1,694,402.55 × 709,172.42
  4. Step 4: Simplify right side
    1,129,601.30x = 1,201,623,548,365.66
  5. Step 5: Solve for x
    x = 1,201,623,548,365.66/1,129,601.30
  6. Step 6: Final answer
    x = 1,063,759.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.