Home / 1,087,424.93-1,500,917.72-628,804.01

Finding the Fourth Proportional to 1,087,424.93, 1,500,917.72 and 628,804.01

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Solution

The fourth proportional to 1,087,424.93, 1,500,917.72 and 628,804.01 is: 867,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,424.93 : 1,500,917.72 = 628,804.01 : x
  2. Step 2: Convert to fraction form
    1,087,424.93/1,500,917.72 = 628,804.01/x
  3. Step 3: Cross multiply
    1,087,424.93x = 1,500,917.72 × 628,804.01
  4. Step 4: Simplify right side
    1,087,424.93x = 943,783,081,624.33
  5. Step 5: Solve for x
    x = 943,783,081,624.33/1,087,424.93
  6. Step 6: Final answer
    x = 867,906.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.