Home / 1,172,157.52-1,617,784.48-688,722.48

Finding the Fourth Proportional to 1,172,157.52, 1,617,784.48 and 688,722.48

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Solution

The fourth proportional to 1,172,157.52, 1,617,784.48 and 688,722.48 is: 950,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,157.52 : 1,617,784.48 = 688,722.48 : x
  2. Step 2: Convert to fraction form
    1,172,157.52/1,617,784.48 = 688,722.48/x
  3. Step 3: Cross multiply
    1,172,157.52x = 1,617,784.48 × 688,722.48
  4. Step 4: Simplify right side
    1,172,157.52x = 1,114,204,539,171.11
  5. Step 5: Solve for x
    x = 1,114,204,539,171.11/1,172,157.52
  6. Step 6: Final answer
    x = 950,558.71

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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.