Home / 1,628,403.70-2,247,156.12-903,267.40

Finding the Fourth Proportional to 1,628,403.70, 2,247,156.12 and 903,267.40

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Solution

The fourth proportional to 1,628,403.70, 2,247,156.12 and 903,267.40 is: 1,246,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,403.70 : 2,247,156.12 = 903,267.40 : x
  2. Step 2: Convert to fraction form
    1,628,403.70/2,247,156.12 = 903,267.40/x
  3. Step 3: Cross multiply
    1,628,403.70x = 2,247,156.12 × 903,267.40
  4. Step 4: Simplify right side
    1,628,403.70x = 2,029,782,865,906.49
  5. Step 5: Solve for x
    x = 2,029,782,865,906.49/1,628,403.70
  6. Step 6: Final answer
    x = 1,246,486.28

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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.