Home / 1,008,100.40-1,512,150.60-609,969.20

Finding the Fourth Proportional to 1,008,100.40, 1,512,150.60 and 609,969.20

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Solution

The fourth proportional to 1,008,100.40, 1,512,150.60 and 609,969.20 is: 914,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,100.40 : 1,512,150.60 = 609,969.20 : x
  2. Step 2: Convert to fraction form
    1,008,100.40/1,512,150.60 = 609,969.20/x
  3. Step 3: Cross multiply
    1,008,100.40x = 1,512,150.60 × 609,969.20
  4. Step 4: Simplify right side
    1,008,100.40x = 922,365,291,761.52
  5. Step 5: Solve for x
    x = 922,365,291,761.52/1,008,100.40
  6. Step 6: Final answer
    x = 914,953.80

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Similar ratio
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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.