Home / 855,129.60-1,285,804.80-836,467.20

Finding the Fourth Proportional to 855,129.60, 1,285,804.80 and 836,467.20

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Solution

The fourth proportional to 855,129.60, 1,285,804.80 and 836,467.20 is: 1,257,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,129.60 : 1,285,804.80 = 836,467.20 : x
  2. Step 2: Convert to fraction form
    855,129.60/1,285,804.80 = 836,467.20/x
  3. Step 3: Cross multiply
    855,129.60x = 1,285,804.80 × 836,467.20
  4. Step 4: Simplify right side
    855,129.60x = 1,075,533,540,802.56
  5. Step 5: Solve for x
    x = 1,075,533,540,802.56/855,129.60
  6. Step 6: Final answer
    x = 1,257,743.32

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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.