Home / 1,357,257.76-2,036,231.24-628,306.51

Finding the Fourth Proportional to 1,357,257.76, 2,036,231.24 and 628,306.51

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Solution

The fourth proportional to 1,357,257.76, 2,036,231.24 and 628,306.51 is: 942,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,257.76 : 2,036,231.24 = 628,306.51 : x
  2. Step 2: Convert to fraction form
    1,357,257.76/2,036,231.24 = 628,306.51/x
  3. Step 3: Cross multiply
    1,357,257.76x = 2,036,231.24 × 628,306.51
  4. Step 4: Simplify right side
    1,357,257.76x = 1,279,377,343,957.37
  5. Step 5: Solve for x
    x = 1,279,377,343,957.37/1,357,257.76
  6. Step 6: Final answer
    x = 942,619.29

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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.