Home / 1,212,137.10-1,672,718.31-668,260.17

Finding the Fourth Proportional to 1,212,137.10, 1,672,718.31 and 668,260.17

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Solution

The fourth proportional to 1,212,137.10, 1,672,718.31 and 668,260.17 is: 922,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,137.10 : 1,672,718.31 = 668,260.17 : x
  2. Step 2: Convert to fraction form
    1,212,137.10/1,672,718.31 = 668,260.17/x
  3. Step 3: Cross multiply
    1,212,137.10x = 1,672,718.31 × 668,260.17
  4. Step 4: Simplify right side
    1,212,137.10x = 1,117,811,022,202.71
  5. Step 5: Solve for x
    x = 1,117,811,022,202.71/1,212,137.10
  6. Step 6: Final answer
    x = 922,182.01

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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.