Home / 1,330,580.85-1,836,202.29-718,733.61

Finding the Fourth Proportional to 1,330,580.85, 1,836,202.29 and 718,733.61

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Solution

The fourth proportional to 1,330,580.85, 1,836,202.29 and 718,733.61 is: 991,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,580.85 : 1,836,202.29 = 718,733.61 : x
  2. Step 2: Convert to fraction form
    1,330,580.85/1,836,202.29 = 718,733.61/x
  3. Step 3: Cross multiply
    1,330,580.85x = 1,836,202.29 × 718,733.61
  4. Step 4: Simplify right side
    1,330,580.85x = 1,319,740,300,581.97
  5. Step 5: Solve for x
    x = 1,319,740,300,581.97/1,330,580.85
  6. Step 6: Final answer
    x = 991,852.77

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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.