Home / 1,072,104.08-1,479,551.87-642,374.97

Finding the Fourth Proportional to 1,072,104.08, 1,479,551.87 and 642,374.97

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Solution

The fourth proportional to 1,072,104.08, 1,479,551.87 and 642,374.97 is: 886,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,104.08 : 1,479,551.87 = 642,374.97 : x
  2. Step 2: Convert to fraction form
    1,072,104.08/1,479,551.87 = 642,374.97/x
  3. Step 3: Cross multiply
    1,072,104.08x = 1,479,551.87 × 642,374.97
  4. Step 4: Simplify right side
    1,072,104.08x = 950,427,089,710.63
  5. Step 5: Solve for x
    x = 950,427,089,710.63/1,072,104.08
  6. Step 6: Final answer
    x = 886,506.37

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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.