Home / 1,049,103.25-1,571,571.40-808,381.98

Finding the Fourth Proportional to 1,049,103.25, 1,571,571.40 and 808,381.98

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Solution

The fourth proportional to 1,049,103.25, 1,571,571.40 and 808,381.98 is: 1,210,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,103.25 : 1,571,571.40 = 808,381.98 : x
  2. Step 2: Convert to fraction form
    1,049,103.25/1,571,571.40 = 808,381.98/x
  3. Step 3: Cross multiply
    1,049,103.25x = 1,571,571.40 × 808,381.98
  4. Step 4: Simplify right side
    1,049,103.25x = 1,270,430,000,043.37
  5. Step 5: Solve for x
    x = 1,270,430,000,043.37/1,049,103.25
  6. Step 6: Final answer
    x = 1,210,967.56

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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.