Home / 1,674,858.88-2,512,289.67-412,686.64

Finding the Fourth Proportional to 1,674,858.88, 2,512,289.67 and 412,686.64

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Solution

The fourth proportional to 1,674,858.88, 2,512,289.67 and 412,686.64 is: 619,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,858.88 : 2,512,289.67 = 412,686.64 : x
  2. Step 2: Convert to fraction form
    1,674,858.88/2,512,289.67 = 412,686.64/x
  3. Step 3: Cross multiply
    1,674,858.88x = 2,512,289.67 × 412,686.64
  4. Step 4: Simplify right side
    1,674,858.88x = 1,036,788,382,619.01
  5. Step 5: Solve for x
    x = 1,036,788,382,619.01/1,674,858.88
  6. Step 6: Final answer
    x = 619,030.29

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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.