Home / 1,965,112.40-2,947,668.60-702,981.20

Finding the Fourth Proportional to 1,965,112.40, 2,947,668.60 and 702,981.20

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Solution

The fourth proportional to 1,965,112.40, 2,947,668.60 and 702,981.20 is: 1,054,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,112.40 : 2,947,668.60 = 702,981.20 : x
  2. Step 2: Convert to fraction form
    1,965,112.40/2,947,668.60 = 702,981.20/x
  3. Step 3: Cross multiply
    1,965,112.40x = 2,947,668.60 × 702,981.20
  4. Step 4: Simplify right side
    1,965,112.40x = 2,072,155,609,630.32
  5. Step 5: Solve for x
    x = 2,072,155,609,630.32/1,965,112.40
  6. Step 6: Final answer
    x = 1,054,471.80

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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.