Home / 1,340,668.76-1,848,386.34-868,336.16

Finding the Fourth Proportional to 1,340,668.76, 1,848,386.34 and 868,336.16

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Solution

The fourth proportional to 1,340,668.76, 1,848,386.34 and 868,336.16 is: 1,197,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,668.76 : 1,848,386.34 = 868,336.16 : x
  2. Step 2: Convert to fraction form
    1,340,668.76/1,848,386.34 = 868,336.16/x
  3. Step 3: Cross multiply
    1,340,668.76x = 1,848,386.34 × 868,336.16
  4. Step 4: Simplify right side
    1,340,668.76x = 1,605,020,696,672.05
  5. Step 5: Solve for x
    x = 1,605,020,696,672.05/1,340,668.76
  6. Step 6: Final answer
    x = 1,197,179.16

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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.