Home / 1,132,558.62-1,562,579.04-642,447.36

Finding the Fourth Proportional to 1,132,558.62, 1,562,579.04 and 642,447.36

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Solution

The fourth proportional to 1,132,558.62, 1,562,579.04 and 642,447.36 is: 886,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,558.62 : 1,562,579.04 = 642,447.36 : x
  2. Step 2: Convert to fraction form
    1,132,558.62/1,562,579.04 = 642,447.36/x
  3. Step 3: Cross multiply
    1,132,558.62x = 1,562,579.04 × 642,447.36
  4. Step 4: Simplify right side
    1,132,558.62x = 1,003,874,779,039.33
  5. Step 5: Solve for x
    x = 1,003,874,779,039.33/1,132,558.62
  6. Step 6: Final answer
    x = 886,377.77

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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.