Home / 1,284,374.21-1,925,170.75-835,415.92

Finding the Fourth Proportional to 1,284,374.21, 1,925,170.75 and 835,415.92

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Solution

The fourth proportional to 1,284,374.21, 1,925,170.75 and 835,415.92 is: 1,252,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,374.21 : 1,925,170.75 = 835,415.92 : x
  2. Step 2: Convert to fraction form
    1,284,374.21/1,925,170.75 = 835,415.92/x
  3. Step 3: Cross multiply
    1,284,374.21x = 1,925,170.75 × 835,415.92
  4. Step 4: Simplify right side
    1,284,374.21x = 1,608,318,286,366.87
  5. Step 5: Solve for x
    x = 1,608,318,286,366.87/1,284,374.21
  6. Step 6: Final answer
    x = 1,252,219.38

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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.