Home / 1,615,330.08-2,422,907.40-493,311.60

Finding the Fourth Proportional to 1,615,330.08, 2,422,907.40 and 493,311.60

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Solution

The fourth proportional to 1,615,330.08, 2,422,907.40 and 493,311.60 is: 739,940.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,330.08 : 2,422,907.40 = 493,311.60 : x
  2. Step 2: Convert to fraction form
    1,615,330.08/2,422,907.40 = 493,311.60/x
  3. Step 3: Cross multiply
    1,615,330.08x = 2,422,907.40 × 493,311.60
  4. Step 4: Simplify right side
    1,615,330.08x = 1,195,248,326,145.84
  5. Step 5: Solve for x
    x = 1,195,248,326,145.84/1,615,330.08
  6. Step 6: Final answer
    x = 739,940.61

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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.