Home / 1,368,921.06-1,889,363.75-879,502.37

Finding the Fourth Proportional to 1,368,921.06, 1,889,363.75 and 879,502.37

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Solution

The fourth proportional to 1,368,921.06, 1,889,363.75 and 879,502.37 is: 1,213,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,921.06 : 1,889,363.75 = 879,502.37 : x
  2. Step 2: Convert to fraction form
    1,368,921.06/1,889,363.75 = 879,502.37/x
  3. Step 3: Cross multiply
    1,368,921.06x = 1,889,363.75 × 879,502.37
  4. Step 4: Simplify right side
    1,368,921.06x = 1,661,699,882,072.76
  5. Step 5: Solve for x
    x = 1,661,699,882,072.76/1,368,921.06
  6. Step 6: Final answer
    x = 1,213,875.61

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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.