Home / 1,384,581.60-2,076,872.40-1,300,600.80

Finding the Fourth Proportional to 1,384,581.60, 2,076,872.40 and 1,300,600.80

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Solution

The fourth proportional to 1,384,581.60, 2,076,872.40 and 1,300,600.80 is: 1,950,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,581.60 : 2,076,872.40 = 1,300,600.80 : x
  2. Step 2: Convert to fraction form
    1,384,581.60/2,076,872.40 = 1,300,600.80/x
  3. Step 3: Cross multiply
    1,384,581.60x = 2,076,872.40 × 1,300,600.80
  4. Step 4: Simplify right side
    1,384,581.60x = 2,701,181,904,937.92
  5. Step 5: Solve for x
    x = 2,701,181,904,937.92/1,384,581.60
  6. Step 6: Final answer
    x = 1,950,901.20

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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.