Home / 1,262,491.92-1,893,734.64-1,039,981.68

Finding the Fourth Proportional to 1,262,491.92, 1,893,734.64 and 1,039,981.68

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Solution

The fourth proportional to 1,262,491.92, 1,893,734.64 and 1,039,981.68 is: 1,559,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,491.92 : 1,893,734.64 = 1,039,981.68 : x
  2. Step 2: Convert to fraction form
    1,262,491.92/1,893,734.64 = 1,039,981.68/x
  3. Step 3: Cross multiply
    1,262,491.92x = 1,893,734.64 × 1,039,981.68
  4. Step 4: Simplify right side
    1,262,491.92x = 1,969,449,332,381.40
  5. Step 5: Solve for x
    x = 1,969,449,332,381.40/1,262,491.92
  6. Step 6: Final answer
    x = 1,559,969.85

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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.