Home / 1,330,800.12-1,836,508.86-727,188.12

Finding the Fourth Proportional to 1,330,800.12, 1,836,508.86 and 727,188.12

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Solution

The fourth proportional to 1,330,800.12, 1,836,508.86 and 727,188.12 is: 1,003,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,800.12 : 1,836,508.86 = 727,188.12 : x
  2. Step 2: Convert to fraction form
    1,330,800.12/1,836,508.86 = 727,188.12/x
  3. Step 3: Cross multiply
    1,330,800.12x = 1,836,508.86 × 727,188.12
  4. Step 4: Simplify right side
    1,330,800.12x = 1,335,487,425,266.74
  5. Step 5: Solve for x
    x = 1,335,487,425,266.74/1,330,800.12
  6. Step 6: Final answer
    x = 1,003,522.17

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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.