Home / 1,515,243.40-2,276,014.38-1,201,890.04

Finding the Fourth Proportional to 1,515,243.40, 2,276,014.38 and 1,201,890.04

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Solution

The fourth proportional to 1,515,243.40, 2,276,014.38 and 1,201,890.04 is: 1,805,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,243.40 : 2,276,014.38 = 1,201,890.04 : x
  2. Step 2: Convert to fraction form
    1,515,243.40/2,276,014.38 = 1,201,890.04/x
  3. Step 3: Cross multiply
    1,515,243.40x = 2,276,014.38 × 1,201,890.04
  4. Step 4: Simplify right side
    1,515,243.40x = 2,735,519,014,218.78
  5. Step 5: Solve for x
    x = 2,735,519,014,218.78/1,515,243.40
  6. Step 6: Final answer
    x = 1,805,333.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.