Home / 1,255,101.86-1,732,011.18-703,781.03

Finding the Fourth Proportional to 1,255,101.86, 1,732,011.18 and 703,781.03

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Solution

The fourth proportional to 1,255,101.86, 1,732,011.18 and 703,781.03 is: 971,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,101.86 : 1,732,011.18 = 703,781.03 : x
  2. Step 2: Convert to fraction form
    1,255,101.86/1,732,011.18 = 703,781.03/x
  3. Step 3: Cross multiply
    1,255,101.86x = 1,732,011.18 × 703,781.03
  4. Step 4: Simplify right side
    1,255,101.86x = 1,218,956,612,231.92
  5. Step 5: Solve for x
    x = 1,218,956,612,231.92/1,255,101.86
  6. Step 6: Final answer
    x = 971,201.34

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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.