Home / 1,517,173.90-2,275,760.85-720,012.40

Finding the Fourth Proportional to 1,517,173.90, 2,275,760.85 and 720,012.40

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Solution

The fourth proportional to 1,517,173.90, 2,275,760.85 and 720,012.40 is: 1,080,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,173.90 : 2,275,760.85 = 720,012.40 : x
  2. Step 2: Convert to fraction form
    1,517,173.90/2,275,760.85 = 720,012.40/x
  3. Step 3: Cross multiply
    1,517,173.90x = 2,275,760.85 × 720,012.40
  4. Step 4: Simplify right side
    1,517,173.90x = 1,638,576,031,434.54
  5. Step 5: Solve for x
    x = 1,638,576,031,434.54/1,517,173.90
  6. Step 6: Final answer
    x = 1,080,018.60

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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.