Home / 1,509,198.81-2,263,745.93-429,718.16

Finding the Fourth Proportional to 1,509,198.81, 2,263,745.93 and 429,718.16

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Solution

The fourth proportional to 1,509,198.81, 2,263,745.93 and 429,718.16 is: 644,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,198.81 : 2,263,745.93 = 429,718.16 : x
  2. Step 2: Convert to fraction form
    1,509,198.81/2,263,745.93 = 429,718.16/x
  3. Step 3: Cross multiply
    1,509,198.81x = 2,263,745.93 × 429,718.16
  4. Step 4: Simplify right side
    1,509,198.81x = 972,772,741,675.03
  5. Step 5: Solve for x
    x = 972,772,741,675.03/1,509,198.81
  6. Step 6: Final answer
    x = 644,562.36

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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.