Home / 1,019,877.12-1,529,813.60-485,778.24

Finding the Fourth Proportional to 1,019,877.12, 1,529,813.60 and 485,778.24

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Solution

The fourth proportional to 1,019,877.12, 1,529,813.60 and 485,778.24 is: 728,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,877.12 : 1,529,813.60 = 485,778.24 : x
  2. Step 2: Convert to fraction form
    1,019,877.12/1,529,813.60 = 485,778.24/x
  3. Step 3: Cross multiply
    1,019,877.12x = 1,529,813.60 × 485,778.24
  4. Step 4: Simplify right side
    1,019,877.12x = 743,150,158,136.06
  5. Step 5: Solve for x
    x = 743,150,158,136.06/1,019,877.12
  6. Step 6: Final answer
    x = 728,666.37

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1.5x scale

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.