Home / 1,110,843.23-1,531,910.61-766,128.29

Finding the Fourth Proportional to 1,110,843.23, 1,531,910.61 and 766,128.29

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Solution

The fourth proportional to 1,110,843.23, 1,531,910.61 and 766,128.29 is: 1,056,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,843.23 : 1,531,910.61 = 766,128.29 : x
  2. Step 2: Convert to fraction form
    1,110,843.23/1,531,910.61 = 766,128.29/x
  3. Step 3: Cross multiply
    1,110,843.23x = 1,531,910.61 × 766,128.29
  4. Step 4: Simplify right side
    1,110,843.23x = 1,173,640,048,412.60
  5. Step 5: Solve for x
    x = 1,173,640,048,412.60/1,110,843.23
  6. Step 6: Final answer
    x = 1,056,530.77

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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.