Home / 1,686,884.31-2,325,479.10-1,202,608.70

Finding the Fourth Proportional to 1,686,884.31, 2,325,479.10 and 1,202,608.70

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Solution

The fourth proportional to 1,686,884.31, 2,325,479.10 and 1,202,608.70 is: 1,657,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,884.31 : 2,325,479.10 = 1,202,608.70 : x
  2. Step 2: Convert to fraction form
    1,686,884.31/2,325,479.10 = 1,202,608.70/x
  3. Step 3: Cross multiply
    1,686,884.31x = 2,325,479.10 × 1,202,608.70
  4. Step 4: Simplify right side
    1,686,884.31x = 2,796,641,389,911.54
  5. Step 5: Solve for x
    x = 2,796,641,389,911.54/1,686,884.31
  6. Step 6: Final answer
    x = 1,657,873.85

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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.