Home / 1,375,782.35-2,054,409.27-1,123,563.53

Finding the Fourth Proportional to 1,375,782.35, 2,054,409.27 and 1,123,563.53

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Solution

The fourth proportional to 1,375,782.35, 2,054,409.27 and 1,123,563.53 is: 1,677,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,782.35 : 2,054,409.27 = 1,123,563.53 : x
  2. Step 2: Convert to fraction form
    1,375,782.35/2,054,409.27 = 1,123,563.53/x
  3. Step 3: Cross multiply
    1,375,782.35x = 2,054,409.27 × 1,123,563.53
  4. Step 4: Simplify right side
    1,375,782.35x = 2,308,259,336,601.95
  5. Step 5: Solve for x
    x = 2,308,259,336,601.95/1,375,782.35
  6. Step 6: Final answer
    x = 1,677,779.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.