Home / 1,428,734.56-2,141,611.36-481,779.68

Finding the Fourth Proportional to 1,428,734.56, 2,141,611.36 and 481,779.68

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Solution

The fourth proportional to 1,428,734.56, 2,141,611.36 and 481,779.68 is: 722,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,734.56 : 2,141,611.36 = 481,779.68 : x
  2. Step 2: Convert to fraction form
    1,428,734.56/2,141,611.36 = 481,779.68/x
  3. Step 3: Cross multiply
    1,428,734.56x = 2,141,611.36 × 481,779.68
  4. Step 4: Simplify right side
    1,428,734.56x = 1,031,784,835,705.16
  5. Step 5: Solve for x
    x = 1,031,784,835,705.16/1,428,734.56
  6. Step 6: Final answer
    x = 722,166.92

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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.