Home / 1,715,487.45-2,367,365.09-980,429.46

Finding the Fourth Proportional to 1,715,487.45, 2,367,365.09 and 980,429.46

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Solution

The fourth proportional to 1,715,487.45, 2,367,365.09 and 980,429.46 is: 1,352,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,487.45 : 2,367,365.09 = 980,429.46 : x
  2. Step 2: Convert to fraction form
    1,715,487.45/2,367,365.09 = 980,429.46/x
  3. Step 3: Cross multiply
    1,715,487.45x = 2,367,365.09 × 980,429.46
  4. Step 4: Simplify right side
    1,715,487.45x = 2,321,034,464,974.73
  5. Step 5: Solve for x
    x = 2,321,034,464,974.73/1,715,487.45
  6. Step 6: Final answer
    x = 1,352,988.31

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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.