Home / 1,384,391.50-2,076,921.46-519,833.50

Finding the Fourth Proportional to 1,384,391.50, 2,076,921.46 and 519,833.50

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Solution

The fourth proportional to 1,384,391.50, 2,076,921.46 and 519,833.50 is: 779,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,391.50 : 2,076,921.46 = 519,833.50 : x
  2. Step 2: Convert to fraction form
    1,384,391.50/2,076,921.46 = 519,833.50/x
  3. Step 3: Cross multiply
    1,384,391.50x = 2,076,921.46 × 519,833.50
  4. Step 4: Simplify right side
    1,384,391.50x = 1,079,653,344,310.33
  5. Step 5: Solve for x
    x = 1,079,653,344,310.33/1,384,391.50
  6. Step 6: Final answer
    x = 779,875.74

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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.