Home / 1,103,943.36-1,655,915.10-345,791.28

Finding the Fourth Proportional to 1,103,943.36, 1,655,915.10 and 345,791.28

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Solution

The fourth proportional to 1,103,943.36, 1,655,915.10 and 345,791.28 is: 518,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,943.36 : 1,655,915.10 = 345,791.28 : x
  2. Step 2: Convert to fraction form
    1,103,943.36/1,655,915.10 = 345,791.28/x
  3. Step 3: Cross multiply
    1,103,943.36x = 1,655,915.10 × 345,791.28
  4. Step 4: Simplify right side
    1,103,943.36x = 572,601,002,000.33
  5. Step 5: Solve for x
    x = 572,601,002,000.33/1,103,943.36
  6. Step 6: Final answer
    x = 518,686.94

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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.