Home / 1,255,102.86-1,732,012.56-703,782.03

Finding the Fourth Proportional to 1,255,102.86, 1,732,012.56 and 703,782.03

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Solution

The fourth proportional to 1,255,102.86, 1,732,012.56 and 703,782.03 is: 971,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,102.86 : 1,732,012.56 = 703,782.03 : x
  2. Step 2: Convert to fraction form
    1,255,102.86/1,732,012.56 = 703,782.03/x
  3. Step 3: Cross multiply
    1,255,102.86x = 1,732,012.56 × 703,782.03
  4. Step 4: Simplify right side
    1,255,102.86x = 1,218,959,315,462.30
  5. Step 5: Solve for x
    x = 1,218,959,315,462.30/1,255,102.86
  6. Step 6: Final answer
    x = 971,202.72

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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.