Home / 1,263,750.40-1,892,553.60-671,468.80

Finding the Fourth Proportional to 1,263,750.40, 1,892,553.60 and 671,468.80

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Solution

The fourth proportional to 1,263,750.40, 1,892,553.60 and 671,468.80 is: 1,005,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,750.40 : 1,892,553.60 = 671,468.80 : x
  2. Step 2: Convert to fraction form
    1,263,750.40/1,892,553.60 = 671,468.80/x
  3. Step 3: Cross multiply
    1,263,750.40x = 1,892,553.60 × 671,468.80
  4. Step 4: Simplify right side
    1,263,750.40x = 1,270,790,694,727.68
  5. Step 5: Solve for x
    x = 1,270,790,694,727.68/1,263,750.40
  6. Step 6: Final answer
    x = 1,005,570.95

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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.