Home / 1,267,783.76-1,901,661.24-308,244.80

Finding the Fourth Proportional to 1,267,783.76, 1,901,661.24 and 308,244.80

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Solution

The fourth proportional to 1,267,783.76, 1,901,661.24 and 308,244.80 is: 462,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,783.76 : 1,901,661.24 = 308,244.80 : x
  2. Step 2: Convert to fraction form
    1,267,783.76/1,901,661.24 = 308,244.80/x
  3. Step 3: Cross multiply
    1,267,783.76x = 1,901,661.24 × 308,244.80
  4. Step 4: Simplify right side
    1,267,783.76x = 586,177,188,591.55
  5. Step 5: Solve for x
    x = 586,177,188,591.55/1,267,783.76
  6. Step 6: Final answer
    x = 462,363.70

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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.