Home / 1,259,837.28-1,887,652.08-885,189.60

Finding the Fourth Proportional to 1,259,837.28, 1,887,652.08 and 885,189.60

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Solution

The fourth proportional to 1,259,837.28, 1,887,652.08 and 885,189.60 is: 1,326,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,837.28 : 1,887,652.08 = 885,189.60 : x
  2. Step 2: Convert to fraction form
    1,259,837.28/1,887,652.08 = 885,189.60/x
  3. Step 3: Cross multiply
    1,259,837.28x = 1,887,652.08 × 885,189.60
  4. Step 4: Simplify right side
    1,259,837.28x = 1,670,929,989,634.37
  5. Step 5: Solve for x
    x = 1,670,929,989,634.37/1,259,837.28
  6. Step 6: Final answer
    x = 1,326,306.20

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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.