Home / 1,610,261.40-2,415,390.48-412,181.76

Finding the Fourth Proportional to 1,610,261.40, 2,415,390.48 and 412,181.76

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Solution

The fourth proportional to 1,610,261.40, 2,415,390.48 and 412,181.76 is: 618,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,261.40 : 2,415,390.48 = 412,181.76 : x
  2. Step 2: Convert to fraction form
    1,610,261.40/2,415,390.48 = 412,181.76/x
  3. Step 3: Cross multiply
    1,610,261.40x = 2,415,390.48 × 412,181.76
  4. Step 4: Simplify right side
    1,610,261.40x = 995,579,899,133.65
  5. Step 5: Solve for x
    x = 995,579,899,133.65/1,610,261.40
  6. Step 6: Final answer
    x = 618,272.23

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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.