Home / 1,080,533.07-1,620,868.73-415,685.07

Finding the Fourth Proportional to 1,080,533.07, 1,620,868.73 and 415,685.07

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Solution

The fourth proportional to 1,080,533.07, 1,620,868.73 and 415,685.07 is: 623,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,533.07 : 1,620,868.73 = 415,685.07 : x
  2. Step 2: Convert to fraction form
    1,080,533.07/1,620,868.73 = 415,685.07/x
  3. Step 3: Cross multiply
    1,080,533.07x = 1,620,868.73 × 415,685.07
  4. Step 4: Simplify right side
    1,080,533.07x = 673,770,929,412.44
  5. Step 5: Solve for x
    x = 673,770,929,412.44/1,080,533.07
  6. Step 6: Final answer
    x = 623,554.20

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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.