Home / 1,515,992.88-2,271,501-518,176.56

Finding the Fourth Proportional to 1,515,992.88, 2,271,501 and 518,176.56

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Solution

The fourth proportional to 1,515,992.88, 2,271,501 and 518,176.56 is: 776,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,992.88 : 2,271,501 = 518,176.56 : x
  2. Step 2: Convert to fraction form
    1,515,992.88/2,271,501 = 518,176.56/x
  3. Step 3: Cross multiply
    1,515,992.88x = 2,271,501 × 518,176.56
  4. Step 4: Simplify right side
    1,515,992.88x = 1,177,038,574,216.56
  5. Step 5: Solve for x
    x = 1,177,038,574,216.56/1,515,992.88
  6. Step 6: Final answer
    x = 776,414.32

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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.