Home / 919,940.72-1,268,980.12-597,865.34

Finding the Fourth Proportional to 919,940.72, 1,268,980.12 and 597,865.34

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Solution

The fourth proportional to 919,940.72, 1,268,980.12 and 597,865.34 is: 824,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,940.72 : 1,268,980.12 = 597,865.34 : x
  2. Step 2: Convert to fraction form
    919,940.72/1,268,980.12 = 597,865.34/x
  3. Step 3: Cross multiply
    919,940.72x = 1,268,980.12 × 597,865.34
  4. Step 4: Simplify right side
    919,940.72x = 758,679,230,897.04
  5. Step 5: Solve for x
    x = 758,679,230,897.04/919,940.72
  6. Step 6: Final answer
    x = 824,704.48

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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.