Home / 1,396,979.31-2,104,803.90-1,262,200.04

Finding the Fourth Proportional to 1,396,979.31, 2,104,803.90 and 1,262,200.04

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Solution

The fourth proportional to 1,396,979.31, 2,104,803.90 and 1,262,200.04 is: 1,901,734.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,979.31 : 2,104,803.90 = 1,262,200.04 : x
  2. Step 2: Convert to fraction form
    1,396,979.31/2,104,803.90 = 1,262,200.04/x
  3. Step 3: Cross multiply
    1,396,979.31x = 2,104,803.90 × 1,262,200.04
  4. Step 4: Simplify right side
    1,396,979.31x = 2,656,683,551,514.89
  5. Step 5: Solve for x
    x = 2,656,683,551,514.89/1,396,979.31
  6. Step 6: Final answer
    x = 1,901,734.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.