Home / 1,275,471.92-1,913,477.73-422,495.24

Finding the Fourth Proportional to 1,275,471.92, 1,913,477.73 and 422,495.24

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Solution

The fourth proportional to 1,275,471.92, 1,913,477.73 and 422,495.24 is: 633,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,471.92 : 1,913,477.73 = 422,495.24 : x
  2. Step 2: Convert to fraction form
    1,275,471.92/1,913,477.73 = 422,495.24/x
  3. Step 3: Cross multiply
    1,275,471.92x = 1,913,477.73 × 422,495.24
  4. Step 4: Simplify right side
    1,275,471.92x = 808,435,232,771.01
  5. Step 5: Solve for x
    x = 808,435,232,771.01/1,275,471.92
  6. Step 6: Final answer
    x = 633,832.25

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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.