Home / 1,076,779.02-1,485,853.52-635,184.78

Finding the Fourth Proportional to 1,076,779.02, 1,485,853.52 and 635,184.78

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Solution

The fourth proportional to 1,076,779.02, 1,485,853.52 and 635,184.78 is: 876,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,779.02 : 1,485,853.52 = 635,184.78 : x
  2. Step 2: Convert to fraction form
    1,076,779.02/1,485,853.52 = 635,184.78/x
  3. Step 3: Cross multiply
    1,076,779.02x = 1,485,853.52 × 635,184.78
  4. Step 4: Simplify right side
    1,076,779.02x = 943,791,541,213.43
  5. Step 5: Solve for x
    x = 943,791,541,213.43/1,076,779.02
  6. Step 6: Final answer
    x = 876,495.11

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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.