Home / 1,384,796.96-2,076,987.64-438,044.66

Finding the Fourth Proportional to 1,384,796.96, 2,076,987.64 and 438,044.66

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Solution

The fourth proportional to 1,384,796.96, 2,076,987.64 and 438,044.66 is: 657,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,796.96 : 2,076,987.64 = 438,044.66 : x
  2. Step 2: Convert to fraction form
    1,384,796.96/2,076,987.64 = 438,044.66/x
  3. Step 3: Cross multiply
    1,384,796.96x = 2,076,987.64 × 438,044.66
  4. Step 4: Simplify right side
    1,384,796.96x = 909,813,344,588.00
  5. Step 5: Solve for x
    x = 909,813,344,588.00/1,384,796.96
  6. Step 6: Final answer
    x = 657,001.26

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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.