Home / 1,226,465.96-1,692,578.76-682,636.58

Finding the Fourth Proportional to 1,226,465.96, 1,692,578.76 and 682,636.58

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Solution

The fourth proportional to 1,226,465.96, 1,692,578.76 and 682,636.58 is: 942,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,465.96 : 1,692,578.76 = 682,636.58 : x
  2. Step 2: Convert to fraction form
    1,226,465.96/1,692,578.76 = 682,636.58/x
  3. Step 3: Cross multiply
    1,226,465.96x = 1,692,578.76 × 682,636.58
  4. Step 4: Simplify right side
    1,226,465.96x = 1,155,416,176,107.04
  5. Step 5: Solve for x
    x = 1,155,416,176,107.04/1,226,465.96
  6. Step 6: Final answer
    x = 942,069.50

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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.