Home / 1,625,453.10-2,243,100.57-890,401.49

Finding the Fourth Proportional to 1,625,453.10, 2,243,100.57 and 890,401.49

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Solution

The fourth proportional to 1,625,453.10, 2,243,100.57 and 890,401.49 is: 1,228,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,453.10 : 2,243,100.57 = 890,401.49 : x
  2. Step 2: Convert to fraction form
    1,625,453.10/2,243,100.57 = 890,401.49/x
  3. Step 3: Cross multiply
    1,625,453.10x = 2,243,100.57 × 890,401.49
  4. Step 4: Simplify right side
    1,625,453.10x = 1,997,260,078,532.35
  5. Step 5: Solve for x
    x = 1,997,260,078,532.35/1,625,453.10
  6. Step 6: Final answer
    x = 1,228,740.51

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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.