Home / 1,404,065.88-2,106,098.97-393,338.07

Finding the Fourth Proportional to 1,404,065.88, 2,106,098.97 and 393,338.07

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Solution

The fourth proportional to 1,404,065.88, 2,106,098.97 and 393,338.07 is: 590,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,065.88 : 2,106,098.97 = 393,338.07 : x
  2. Step 2: Convert to fraction form
    1,404,065.88/2,106,098.97 = 393,338.07/x
  3. Step 3: Cross multiply
    1,404,065.88x = 2,106,098.97 × 393,338.07
  4. Step 4: Simplify right side
    1,404,065.88x = 828,408,904,088.79
  5. Step 5: Solve for x
    x = 828,408,904,088.79/1,404,065.88
  6. Step 6: Final answer
    x = 590,007.15

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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.