Home / 1,515,518.46-2,271,309.39-615,913.34

Finding the Fourth Proportional to 1,515,518.46, 2,271,309.39 and 615,913.34

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Solution

The fourth proportional to 1,515,518.46, 2,271,309.39 and 615,913.34 is: 923,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,518.46 : 2,271,309.39 = 615,913.34 : x
  2. Step 2: Convert to fraction form
    1,515,518.46/2,271,309.39 = 615,913.34/x
  3. Step 3: Cross multiply
    1,515,518.46x = 2,271,309.39 × 615,913.34
  4. Step 4: Simplify right side
    1,515,518.46x = 1,398,929,741,211.72
  5. Step 5: Solve for x
    x = 1,398,929,741,211.72/1,515,518.46
  6. Step 6: Final answer
    x = 923,070.08

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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.