Home / 1,384,847.78-2,076,950.91-438,042.02

Finding the Fourth Proportional to 1,384,847.78, 2,076,950.91 and 438,042.02

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Solution

The fourth proportional to 1,384,847.78, 2,076,950.91 and 438,042.02 is: 656,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,847.78 : 2,076,950.91 = 438,042.02 : x
  2. Step 2: Convert to fraction form
    1,384,847.78/2,076,950.91 = 438,042.02/x
  3. Step 3: Cross multiply
    1,384,847.78x = 2,076,950.91 × 438,042.02
  4. Step 4: Simplify right side
    1,384,847.78x = 909,791,772,057.24
  5. Step 5: Solve for x
    x = 909,791,772,057.24/1,384,847.78
  6. Step 6: Final answer
    x = 656,961.57

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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.