Home / 1,175,887.40-1,764,081.66-670,689.32

Finding the Fourth Proportional to 1,175,887.40, 1,764,081.66 and 670,689.32

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Solution

The fourth proportional to 1,175,887.40, 1,764,081.66 and 670,689.32 is: 1,006,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,887.40 : 1,764,081.66 = 670,689.32 : x
  2. Step 2: Convert to fraction form
    1,175,887.40/1,764,081.66 = 670,689.32/x
  3. Step 3: Cross multiply
    1,175,887.40x = 1,764,081.66 × 670,689.32
  4. Step 4: Simplify right side
    1,175,887.40x = 1,183,150,728,969.87
  5. Step 5: Solve for x
    x = 1,183,150,728,969.87/1,175,887.40
  6. Step 6: Final answer
    x = 1,006,176.89

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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.