Home / 1,036,418.44-1,555,513.80-405,775.12

Finding the Fourth Proportional to 1,036,418.44, 1,555,513.80 and 405,775.12

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Solution

The fourth proportional to 1,036,418.44, 1,555,513.80 and 405,775.12 is: 609,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,418.44 : 1,555,513.80 = 405,775.12 : x
  2. Step 2: Convert to fraction form
    1,036,418.44/1,555,513.80 = 405,775.12/x
  3. Step 3: Cross multiply
    1,036,418.44x = 1,555,513.80 × 405,775.12
  4. Step 4: Simplify right side
    1,036,418.44x = 631,188,798,856.66
  5. Step 5: Solve for x
    x = 631,188,798,856.66/1,036,418.44
  6. Step 6: Final answer
    x = 609,009.62

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1.5x scale

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.