Home / 1,188,751.34-1,640,476.82-679,464.66

Finding the Fourth Proportional to 1,188,751.34, 1,640,476.82 and 679,464.66

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Solution

The fourth proportional to 1,188,751.34, 1,640,476.82 and 679,464.66 is: 937,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,751.34 : 1,640,476.82 = 679,464.66 : x
  2. Step 2: Convert to fraction form
    1,188,751.34/1,640,476.82 = 679,464.66/x
  3. Step 3: Cross multiply
    1,188,751.34x = 1,640,476.82 × 679,464.66
  4. Step 4: Simplify right side
    1,188,751.34x = 1,114,646,024,739.18
  5. Step 5: Solve for x
    x = 1,114,646,024,739.18/1,188,751.34
  6. Step 6: Final answer
    x = 937,661.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.