Home / 1,295,628.60-1,942,665.30-665,772.60

Finding the Fourth Proportional to 1,295,628.60, 1,942,665.30 and 665,772.60

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Solution

The fourth proportional to 1,295,628.60, 1,942,665.30 and 665,772.60 is: 998,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,628.60 : 1,942,665.30 = 665,772.60 : x
  2. Step 2: Convert to fraction form
    1,295,628.60/1,942,665.30 = 665,772.60/x
  3. Step 3: Cross multiply
    1,295,628.60x = 1,942,665.30 × 665,772.60
  4. Step 4: Simplify right side
    1,295,628.60x = 1,293,373,327,710.78
  5. Step 5: Solve for x
    x = 1,293,373,327,710.78/1,295,628.60
  6. Step 6: Final answer
    x = 998,259.32

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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.