Home / 1,672,910.36-2,308,583.05-908,969.39

Finding the Fourth Proportional to 1,672,910.36, 2,308,583.05 and 908,969.39

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Solution

The fourth proportional to 1,672,910.36, 2,308,583.05 and 908,969.39 is: 1,254,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,910.36 : 2,308,583.05 = 908,969.39 : x
  2. Step 2: Convert to fraction form
    1,672,910.36/2,308,583.05 = 908,969.39/x
  3. Step 3: Cross multiply
    1,672,910.36x = 2,308,583.05 × 908,969.39
  4. Step 4: Simplify right side
    1,672,910.36x = 2,098,431,312,907.50
  5. Step 5: Solve for x
    x = 2,098,431,312,907.50/1,672,910.36
  6. Step 6: Final answer
    x = 1,254,359.69

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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.