Home / 1,357,256.76-2,036,229.74-628,305.51

Finding the Fourth Proportional to 1,357,256.76, 2,036,229.74 and 628,305.51

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Solution

The fourth proportional to 1,357,256.76, 2,036,229.74 and 628,305.51 is: 942,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,256.76 : 2,036,229.74 = 628,305.51 : x
  2. Step 2: Convert to fraction form
    1,357,256.76/2,036,229.74 = 628,305.51/x
  3. Step 3: Cross multiply
    1,357,256.76x = 2,036,229.74 × 628,305.51
  4. Step 4: Simplify right side
    1,357,256.76x = 1,279,374,360,664.56
  5. Step 5: Solve for x
    x = 1,279,374,360,664.56/1,357,256.76
  6. Step 6: Final answer
    x = 942,617.79

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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.