Home / 1,396,478.34-2,097,870.84-828,232.25

Finding the Fourth Proportional to 1,396,478.34, 2,097,870.84 and 828,232.25

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Solution

The fourth proportional to 1,396,478.34, 2,097,870.84 and 828,232.25 is: 1,244,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,478.34 : 2,097,870.84 = 828,232.25 : x
  2. Step 2: Convert to fraction form
    1,396,478.34/2,097,870.84 = 828,232.25/x
  3. Step 3: Cross multiply
    1,396,478.34x = 2,097,870.84 × 828,232.25
  4. Step 4: Simplify right side
    1,396,478.34x = 1,737,524,275,533.24
  5. Step 5: Solve for x
    x = 1,737,524,275,533.24/1,396,478.34
  6. Step 6: Final answer
    x = 1,244,218.56

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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.