Home / 1,078,852.56-1,488,509.60-648,917.52

Finding the Fourth Proportional to 1,078,852.56, 1,488,509.60 and 648,917.52

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Solution

The fourth proportional to 1,078,852.56, 1,488,509.60 and 648,917.52 is: 895,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,852.56 : 1,488,509.60 = 648,917.52 : x
  2. Step 2: Convert to fraction form
    1,078,852.56/1,488,509.60 = 648,917.52/x
  3. Step 3: Cross multiply
    1,078,852.56x = 1,488,509.60 × 648,917.52
  4. Step 4: Simplify right side
    1,078,852.56x = 965,919,958,128.19
  5. Step 5: Solve for x
    x = 965,919,958,128.19/1,078,852.56
  6. Step 6: Final answer
    x = 895,321.56

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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.