Home / 1,179,174.78-1,627,266.60-669,905.10

Finding the Fourth Proportional to 1,179,174.78, 1,627,266.60 and 669,905.10

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Solution

The fourth proportional to 1,179,174.78, 1,627,266.60 and 669,905.10 is: 924,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,174.78 : 1,627,266.60 = 669,905.10 : x
  2. Step 2: Convert to fraction form
    1,179,174.78/1,627,266.60 = 669,905.10/x
  3. Step 3: Cross multiply
    1,179,174.78x = 1,627,266.60 × 669,905.10
  4. Step 4: Simplify right side
    1,179,174.78x = 1,090,114,194,399.66
  5. Step 5: Solve for x
    x = 1,090,114,194,399.66/1,179,174.78
  6. Step 6: Final answer
    x = 924,472.11

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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.