Home / 1,262,858.58-1,894,304.07-421,410.33

Finding the Fourth Proportional to 1,262,858.58, 1,894,304.07 and 421,410.33

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Solution

The fourth proportional to 1,262,858.58, 1,894,304.07 and 421,410.33 is: 632,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,858.58 : 1,894,304.07 = 421,410.33 : x
  2. Step 2: Convert to fraction form
    1,262,858.58/1,894,304.07 = 421,410.33/x
  3. Step 3: Cross multiply
    1,262,858.58x = 1,894,304.07 × 421,410.33
  4. Step 4: Simplify right side
    1,262,858.58x = 798,279,303,259.04
  5. Step 5: Solve for x
    x = 798,279,303,259.04/1,262,858.58
  6. Step 6: Final answer
    x = 632,120.90

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Double scale
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1.5x scale

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.