Home / 1,328,383.56-1,992,427.71-475,420.77

Finding the Fourth Proportional to 1,328,383.56, 1,992,427.71 and 475,420.77

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Solution

The fourth proportional to 1,328,383.56, 1,992,427.71 and 475,420.77 is: 713,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,383.56 : 1,992,427.71 = 475,420.77 : x
  2. Step 2: Convert to fraction form
    1,328,383.56/1,992,427.71 = 475,420.77/x
  3. Step 3: Cross multiply
    1,328,383.56x = 1,992,427.71 × 475,420.77
  4. Step 4: Simplify right side
    1,328,383.56x = 947,241,516,057.54
  5. Step 5: Solve for x
    x = 947,241,516,057.54/1,328,383.56
  6. Step 6: Final answer
    x = 713,078.32

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1.5x scale

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.