Home / 1,311,696.52-1,810,270.32-767,799.34

Finding the Fourth Proportional to 1,311,696.52, 1,810,270.32 and 767,799.34

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Solution

The fourth proportional to 1,311,696.52, 1,810,270.32 and 767,799.34 is: 1,059,638.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,696.52 : 1,810,270.32 = 767,799.34 : x
  2. Step 2: Convert to fraction form
    1,311,696.52/1,810,270.32 = 767,799.34/x
  3. Step 3: Cross multiply
    1,311,696.52x = 1,810,270.32 × 767,799.34
  4. Step 4: Simplify right side
    1,311,696.52x = 1,389,924,356,917.59
  5. Step 5: Solve for x
    x = 1,389,924,356,917.59/1,311,696.52
  6. Step 6: Final answer
    x = 1,059,638.67

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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.