Home / 1,706,947.82-2,560,803.08-641,999.10

Finding the Fourth Proportional to 1,706,947.82, 2,560,803.08 and 641,999.10

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Solution

The fourth proportional to 1,706,947.82, 2,560,803.08 and 641,999.10 is: 963,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,947.82 : 2,560,803.08 = 641,999.10 : x
  2. Step 2: Convert to fraction form
    1,706,947.82/2,560,803.08 = 641,999.10/x
  3. Step 3: Cross multiply
    1,706,947.82x = 2,560,803.08 × 641,999.10
  4. Step 4: Simplify right side
    1,706,947.82x = 1,644,033,269,427.23
  5. Step 5: Solve for x
    x = 1,644,033,269,427.23/1,706,947.82
  6. Step 6: Final answer
    x = 963,142.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.