Home / 1,765,147.36-2,435,826.30-980,164.60

Finding the Fourth Proportional to 1,765,147.36, 2,435,826.30 and 980,164.60

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Solution

The fourth proportional to 1,765,147.36, 2,435,826.30 and 980,164.60 is: 1,352,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,147.36 : 2,435,826.30 = 980,164.60 : x
  2. Step 2: Convert to fraction form
    1,765,147.36/2,435,826.30 = 980,164.60/x
  3. Step 3: Cross multiply
    1,765,147.36x = 2,435,826.30 × 980,164.60
  4. Step 4: Simplify right side
    1,765,147.36x = 2,387,510,711,008.98
  5. Step 5: Solve for x
    x = 2,387,510,711,008.98/1,765,147.36
  6. Step 6: Final answer
    x = 1,352,584.36

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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.