Home / 1,076,112.45-1,485,073.26-668,437.56

Finding the Fourth Proportional to 1,076,112.45, 1,485,073.26 and 668,437.56

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Solution

The fourth proportional to 1,076,112.45, 1,485,073.26 and 668,437.56 is: 922,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,112.45 : 1,485,073.26 = 668,437.56 : x
  2. Step 2: Convert to fraction form
    1,076,112.45/1,485,073.26 = 668,437.56/x
  3. Step 3: Cross multiply
    1,076,112.45x = 1,485,073.26 × 668,437.56
  4. Step 4: Simplify right side
    1,076,112.45x = 992,678,746,335.65
  5. Step 5: Solve for x
    x = 992,678,746,335.65/1,076,112.45
  6. Step 6: Final answer
    x = 922,467.49

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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.