Home / 1,211,662.07-1,672,071.96-660,382.74

Finding the Fourth Proportional to 1,211,662.07, 1,672,071.96 and 660,382.74

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Solution

The fourth proportional to 1,211,662.07, 1,672,071.96 and 660,382.74 is: 911,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,662.07 : 1,672,071.96 = 660,382.74 : x
  2. Step 2: Convert to fraction form
    1,211,662.07/1,672,071.96 = 660,382.74/x
  3. Step 3: Cross multiply
    1,211,662.07x = 1,672,071.96 × 660,382.74
  4. Step 4: Simplify right side
    1,211,662.07x = 1,104,207,464,898.41
  5. Step 5: Solve for x
    x = 1,104,207,464,898.41/1,211,662.07
  6. Step 6: Final answer
    x = 911,316.35

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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.