Home / 1,179,062.30-1,768,967.29-420,887.49

Finding the Fourth Proportional to 1,179,062.30, 1,768,967.29 and 420,887.49

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Solution

The fourth proportional to 1,179,062.30, 1,768,967.29 and 420,887.49 is: 631,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,062.30 : 1,768,967.29 = 420,887.49 : x
  2. Step 2: Convert to fraction form
    1,179,062.30/1,768,967.29 = 420,887.49/x
  3. Step 3: Cross multiply
    1,179,062.30x = 1,768,967.29 × 420,887.49
  4. Step 4: Simplify right side
    1,179,062.30x = 744,536,205,831.27
  5. Step 5: Solve for x
    x = 744,536,205,831.27/1,179,062.30
  6. Step 6: Final answer
    x = 631,464.69

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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.