Home / 1,339,685.26-1,848,308.40-830,201.74

Finding the Fourth Proportional to 1,339,685.26, 1,848,308.40 and 830,201.74

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Solution

The fourth proportional to 1,339,685.26, 1,848,308.40 and 830,201.74 is: 1,145,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,685.26 : 1,848,308.40 = 830,201.74 : x
  2. Step 2: Convert to fraction form
    1,339,685.26/1,848,308.40 = 830,201.74/x
  3. Step 3: Cross multiply
    1,339,685.26x = 1,848,308.40 × 830,201.74
  4. Step 4: Simplify right side
    1,339,685.26x = 1,534,468,849,736.62
  5. Step 5: Solve for x
    x = 1,534,468,849,736.62/1,339,685.26
  6. Step 6: Final answer
    x = 1,145,395.04

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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.