Home / 1,384,729.43-2,076,886.37-437,977.13

Finding the Fourth Proportional to 1,384,729.43, 2,076,886.37 and 437,977.13

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Solution

The fourth proportional to 1,384,729.43, 2,076,886.37 and 437,977.13 is: 656,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,729.43 : 2,076,886.37 = 437,977.13 : x
  2. Step 2: Convert to fraction form
    1,384,729.43/2,076,886.37 = 437,977.13/x
  3. Step 3: Cross multiply
    1,384,729.43x = 2,076,886.37 × 437,977.13
  4. Step 4: Simplify right side
    1,384,729.43x = 909,628,722,379.23
  5. Step 5: Solve for x
    x = 909,628,722,379.23/1,384,729.43
  6. Step 6: Final answer
    x = 656,899.97

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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.