Home / 1,091,074.29-1,505,574.43-607,684.33

Finding the Fourth Proportional to 1,091,074.29, 1,505,574.43 and 607,684.33

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Solution

The fourth proportional to 1,091,074.29, 1,505,574.43 and 607,684.33 is: 838,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,074.29 : 1,505,574.43 = 607,684.33 : x
  2. Step 2: Convert to fraction form
    1,091,074.29/1,505,574.43 = 607,684.33/x
  3. Step 3: Cross multiply
    1,091,074.29x = 1,505,574.43 × 607,684.33
  4. Step 4: Simplify right side
    1,091,074.29x = 914,913,988,759.68
  5. Step 5: Solve for x
    x = 914,913,988,759.68/1,091,074.29
  6. Step 6: Final answer
    x = 838,544.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.