Home / 1,112,458.89-1,667,698.68-402,329.04

Finding the Fourth Proportional to 1,112,458.89, 1,667,698.68 and 402,329.04

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Solution

The fourth proportional to 1,112,458.89, 1,667,698.68 and 402,329.04 is: 603,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,458.89 : 1,667,698.68 = 402,329.04 : x
  2. Step 2: Convert to fraction form
    1,112,458.89/1,667,698.68 = 402,329.04/x
  3. Step 3: Cross multiply
    1,112,458.89x = 1,667,698.68 × 402,329.04
  4. Step 4: Simplify right side
    1,112,458.89x = 670,963,608,933.67
  5. Step 5: Solve for x
    x = 670,963,608,933.67/1,112,458.89
  6. Step 6: Final answer
    x = 603,135.64

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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.