Home / 1,262,809.63-1,894,230.86-421,361.38

Finding the Fourth Proportional to 1,262,809.63, 1,894,230.86 and 421,361.38

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Solution

The fourth proportional to 1,262,809.63, 1,894,230.86 and 421,361.38 is: 632,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,809.63 : 1,894,230.86 = 421,361.38 : x
  2. Step 2: Convert to fraction form
    1,262,809.63/1,894,230.86 = 421,361.38/x
  3. Step 3: Cross multiply
    1,262,809.63x = 1,894,230.86 × 421,361.38
  4. Step 4: Simplify right side
    1,262,809.63x = 798,155,729,208.19
  5. Step 5: Solve for x
    x = 798,155,729,208.19/1,262,809.63
  6. Step 6: Final answer
    x = 632,047.55

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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.