Home / 1,428,653.10-2,141,230.05-629,085.90

Finding the Fourth Proportional to 1,428,653.10, 2,141,230.05 and 629,085.90

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Solution

The fourth proportional to 1,428,653.10, 2,141,230.05 and 629,085.90 is: 942,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,653.10 : 2,141,230.05 = 629,085.90 : x
  2. Step 2: Convert to fraction form
    1,428,653.10/2,141,230.05 = 629,085.90/x
  3. Step 3: Cross multiply
    1,428,653.10x = 2,141,230.05 × 629,085.90
  4. Step 4: Simplify right side
    1,428,653.10x = 1,347,017,633,111.30
  5. Step 5: Solve for x
    x = 1,347,017,633,111.30/1,428,653.10
  6. Step 6: Final answer
    x = 942,858.44

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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.