Home / 1,086,273.60-1,629,489.96-287,549.52

Finding the Fourth Proportional to 1,086,273.60, 1,629,489.96 and 287,549.52

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Solution

The fourth proportional to 1,086,273.60, 1,629,489.96 and 287,549.52 is: 431,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,273.60 : 1,629,489.96 = 287,549.52 : x
  2. Step 2: Convert to fraction form
    1,086,273.60/1,629,489.96 = 287,549.52/x
  3. Step 3: Cross multiply
    1,086,273.60x = 1,629,489.96 × 287,549.52
  4. Step 4: Simplify right side
    1,086,273.60x = 468,559,055,842.82
  5. Step 5: Solve for x
    x = 468,559,055,842.82/1,086,273.60
  6. Step 6: Final answer
    x = 431,345.34

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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.