Home / 1,121,041.60-1,681,781.10-481,344.10

Finding the Fourth Proportional to 1,121,041.60, 1,681,781.10 and 481,344.10

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Solution

The fourth proportional to 1,121,041.60, 1,681,781.10 and 481,344.10 is: 722,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,041.60 : 1,681,781.10 = 481,344.10 : x
  2. Step 2: Convert to fraction form
    1,121,041.60/1,681,781.10 = 481,344.10/x
  3. Step 3: Cross multiply
    1,121,041.60x = 1,681,781.10 × 481,344.10
  4. Step 4: Simplify right side
    1,121,041.60x = 809,515,409,976.51
  5. Step 5: Solve for x
    x = 809,515,409,976.51/1,121,041.60
  6. Step 6: Final answer
    x = 722,110.05

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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.