Home / 1,090,634.60-1,635,213.78-380,275.13

Finding the Fourth Proportional to 1,090,634.60, 1,635,213.78 and 380,275.13

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Solution

The fourth proportional to 1,090,634.60, 1,635,213.78 and 380,275.13 is: 570,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,634.60 : 1,635,213.78 = 380,275.13 : x
  2. Step 2: Convert to fraction form
    1,090,634.60/1,635,213.78 = 380,275.13/x
  3. Step 3: Cross multiply
    1,090,634.60x = 1,635,213.78 × 380,275.13
  4. Step 4: Simplify right side
    1,090,634.60x = 621,831,124,591.22
  5. Step 5: Solve for x
    x = 621,831,124,591.22/1,090,634.60
  6. Step 6: Final answer
    x = 570,155.33

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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.