Home / 1,091,240.32-1,505,958.36-607,805.59

Finding the Fourth Proportional to 1,091,240.32, 1,505,958.36 and 607,805.59

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Solution

The fourth proportional to 1,091,240.32, 1,505,958.36 and 607,805.59 is: 838,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,240.32 : 1,505,958.36 = 607,805.59 : x
  2. Step 2: Convert to fraction form
    1,091,240.32/1,505,958.36 = 607,805.59/x
  3. Step 3: Cross multiply
    1,091,240.32x = 1,505,958.36 × 607,805.59
  4. Step 4: Simplify right side
    1,091,240.32x = 915,329,909,515.23
  5. Step 5: Solve for x
    x = 915,329,909,515.23/1,091,240.32
  6. Step 6: Final answer
    x = 838,797.74

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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.