Home / 1,269,418.80-1,902,914.55-470,486.10

Finding the Fourth Proportional to 1,269,418.80, 1,902,914.55 and 470,486.10

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Solution

The fourth proportional to 1,269,418.80, 1,902,914.55 and 470,486.10 is: 705,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,418.80 : 1,902,914.55 = 470,486.10 : x
  2. Step 2: Convert to fraction form
    1,269,418.80/1,902,914.55 = 470,486.10/x
  3. Step 3: Cross multiply
    1,269,418.80x = 1,902,914.55 × 470,486.10
  4. Step 4: Simplify right side
    1,269,418.80x = 895,294,845,262.76
  5. Step 5: Solve for x
    x = 895,294,845,262.76/1,269,418.80
  6. Step 6: Final answer
    x = 705,279.33

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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.