Home / 1,308,536.16-1,962,804.08-422,072.16

Finding the Fourth Proportional to 1,308,536.16, 1,962,804.08 and 422,072.16

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Solution

The fourth proportional to 1,308,536.16, 1,962,804.08 and 422,072.16 is: 633,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,536.16 : 1,962,804.08 = 422,072.16 : x
  2. Step 2: Convert to fraction form
    1,308,536.16/1,962,804.08 = 422,072.16/x
  3. Step 3: Cross multiply
    1,308,536.16x = 1,962,804.08 × 422,072.16
  4. Step 4: Simplify right side
    1,308,536.16x = 828,444,957,702.41
  5. Step 5: Solve for x
    x = 828,444,957,702.41/1,308,536.16
  6. Step 6: Final answer
    x = 633,108.19

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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.