Home / 1,267,654.74-1,901,485.35-321,025.56

Finding the Fourth Proportional to 1,267,654.74, 1,901,485.35 and 321,025.56

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Solution

The fourth proportional to 1,267,654.74, 1,901,485.35 and 321,025.56 is: 481,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,654.74 : 1,901,485.35 = 321,025.56 : x
  2. Step 2: Convert to fraction form
    1,267,654.74/1,901,485.35 = 321,025.56/x
  3. Step 3: Cross multiply
    1,267,654.74x = 1,901,485.35 × 321,025.56
  4. Step 4: Simplify right side
    1,267,654.74x = 610,425,399,315.55
  5. Step 5: Solve for x
    x = 610,425,399,315.55/1,267,654.74
  6. Step 6: Final answer
    x = 481,539.16

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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.