Home / 1,276,488-1,915,060.08-477,781.02

Finding the Fourth Proportional to 1,276,488, 1,915,060.08 and 477,781.02

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Solution

The fourth proportional to 1,276,488, 1,915,060.08 and 477,781.02 is: 716,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,488 : 1,915,060.08 = 477,781.02 : x
  2. Step 2: Convert to fraction form
    1,276,488/1,915,060.08 = 477,781.02/x
  3. Step 3: Cross multiply
    1,276,488x = 1,915,060.08 × 477,781.02
  4. Step 4: Simplify right side
    1,276,488x = 914,979,358,383.68
  5. Step 5: Solve for x
    x = 914,979,358,383.68/1,276,488
  6. Step 6: Final answer
    x = 716,794.33

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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.