Home / 1,529,815.68-2,294,720.40-728,667.36

Finding the Fourth Proportional to 1,529,815.68, 2,294,720.40 and 728,667.36

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Solution

The fourth proportional to 1,529,815.68, 2,294,720.40 and 728,667.36 is: 1,092,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,815.68 : 2,294,720.40 = 728,667.36 : x
  2. Step 2: Convert to fraction form
    1,529,815.68/2,294,720.40 = 728,667.36/x
  3. Step 3: Cross multiply
    1,529,815.68x = 2,294,720.40 × 728,667.36
  4. Step 4: Simplify right side
    1,529,815.68x = 1,672,087,855,806.14
  5. Step 5: Solve for x
    x = 1,672,087,855,806.14/1,529,815.68
  6. Step 6: Final answer
    x = 1,092,999.55

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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.