Home / 1,005,208.28-1,508,559.98-406,174.61

Finding the Fourth Proportional to 1,005,208.28, 1,508,559.98 and 406,174.61

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Solution

The fourth proportional to 1,005,208.28, 1,508,559.98 and 406,174.61 is: 609,563.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,208.28 : 1,508,559.98 = 406,174.61 : x
  2. Step 2: Convert to fraction form
    1,005,208.28/1,508,559.98 = 406,174.61/x
  3. Step 3: Cross multiply
    1,005,208.28x = 1,508,559.98 × 406,174.61
  4. Step 4: Simplify right side
    1,005,208.28x = 612,738,751,964.44
  5. Step 5: Solve for x
    x = 612,738,751,964.44/1,005,208.28
  6. Step 6: Final answer
    x = 609,563.98

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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.