Home / 1,423,660.35-2,135,804.23-412,824.51

Finding the Fourth Proportional to 1,423,660.35, 2,135,804.23 and 412,824.51

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Solution

The fourth proportional to 1,423,660.35, 2,135,804.23 and 412,824.51 is: 619,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,660.35 : 2,135,804.23 = 412,824.51 : x
  2. Step 2: Convert to fraction form
    1,423,660.35/2,135,804.23 = 412,824.51/x
  3. Step 3: Cross multiply
    1,423,660.35x = 2,135,804.23 × 412,824.51
  4. Step 4: Simplify right side
    1,423,660.35x = 881,712,333,673.62
  5. Step 5: Solve for x
    x = 881,712,333,673.62/1,423,660.35
  6. Step 6: Final answer
    x = 619,327.73

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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.