Home / 1,515,242.40-2,276,012.88-1,201,889.04

Finding the Fourth Proportional to 1,515,242.40, 2,276,012.88 and 1,201,889.04

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Solution

The fourth proportional to 1,515,242.40, 2,276,012.88 and 1,201,889.04 is: 1,805,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,242.40 : 2,276,012.88 = 1,201,889.04 : x
  2. Step 2: Convert to fraction form
    1,515,242.40/2,276,012.88 = 1,201,889.04/x
  3. Step 3: Cross multiply
    1,515,242.40x = 2,276,012.88 × 1,201,889.04
  4. Step 4: Simplify right side
    1,515,242.40x = 2,735,514,935,370.84
  5. Step 5: Solve for x
    x = 2,735,514,935,370.84/1,515,242.40
  6. Step 6: Final answer
    x = 1,805,331.57

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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.