Home / 1,076,676.55-1,485,346.79-640,849.50

Finding the Fourth Proportional to 1,076,676.55, 1,485,346.79 and 640,849.50

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Solution

The fourth proportional to 1,076,676.55, 1,485,346.79 and 640,849.50 is: 884,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,676.55 : 1,485,346.79 = 640,849.50 : x
  2. Step 2: Convert to fraction form
    1,076,676.55/1,485,346.79 = 640,849.50/x
  3. Step 3: Cross multiply
    1,076,676.55x = 1,485,346.79 × 640,849.50
  4. Step 4: Simplify right side
    1,076,676.55x = 951,883,747,698.11
  5. Step 5: Solve for x
    x = 951,883,747,698.11/1,076,676.55
  6. Step 6: Final answer
    x = 884,094.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.