Home / 1,628,438.64-2,247,514.32-903,519.60

Finding the Fourth Proportional to 1,628,438.64, 2,247,514.32 and 903,519.60

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Solution

The fourth proportional to 1,628,438.64, 2,247,514.32 and 903,519.60 is: 1,247,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,438.64 : 2,247,514.32 = 903,519.60 : x
  2. Step 2: Convert to fraction form
    1,628,438.64/2,247,514.32 = 903,519.60/x
  3. Step 3: Cross multiply
    1,628,438.64x = 2,247,514.32 × 903,519.60
  4. Step 4: Simplify right side
    1,628,438.64x = 2,030,673,239,400.67
  5. Step 5: Solve for x
    x = 2,030,673,239,400.67/1,628,438.64
  6. Step 6: Final answer
    x = 1,247,006.30

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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.