Home / 1,488,735.52-2,054,416.08-868,659.28

Finding the Fourth Proportional to 1,488,735.52, 2,054,416.08 and 868,659.28

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Solution

The fourth proportional to 1,488,735.52, 2,054,416.08 and 868,659.28 is: 1,198,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,735.52 : 2,054,416.08 = 868,659.28 : x
  2. Step 2: Convert to fraction form
    1,488,735.52/2,054,416.08 = 868,659.28/x
  3. Step 3: Cross multiply
    1,488,735.52x = 2,054,416.08 × 868,659.28
  4. Step 4: Simplify right side
    1,488,735.52x = 1,784,587,592,873.22
  5. Step 5: Solve for x
    x = 1,784,587,592,873.22/1,488,735.52
  6. Step 6: Final answer
    x = 1,198,727.09

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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.