Home / 1,104,100.23-1,656,148.32-345,999.78

Finding the Fourth Proportional to 1,104,100.23, 1,656,148.32 and 345,999.78

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Solution

The fourth proportional to 1,104,100.23, 1,656,148.32 and 345,999.78 is: 518,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,100.23 : 1,656,148.32 = 345,999.78 : x
  2. Step 2: Convert to fraction form
    1,104,100.23/1,656,148.32 = 345,999.78/x
  3. Step 3: Cross multiply
    1,104,100.23x = 1,656,148.32 × 345,999.78
  4. Step 4: Simplify right side
    1,104,100.23x = 573,026,954,367.37
  5. Step 5: Solve for x
    x = 573,026,954,367.37/1,104,100.23
  6. Step 6: Final answer
    x = 518,999.04

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Double scale
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1.5x scale

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.