Home / 1,200,420.52-1,656,396.26-691,024.44

Finding the Fourth Proportional to 1,200,420.52, 1,656,396.26 and 691,024.44

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Solution

The fourth proportional to 1,200,420.52, 1,656,396.26 and 691,024.44 is: 953,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,420.52 : 1,656,396.26 = 691,024.44 : x
  2. Step 2: Convert to fraction form
    1,200,420.52/1,656,396.26 = 691,024.44/x
  3. Step 3: Cross multiply
    1,200,420.52x = 1,656,396.26 × 691,024.44
  4. Step 4: Simplify right side
    1,200,420.52x = 1,144,610,297,984.59
  5. Step 5: Solve for x
    x = 1,144,610,297,984.59/1,200,420.52
  6. Step 6: Final answer
    x = 953,507.77

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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.