Home / 1,237,546.80-1,856,320.20-922,618.80

Finding the Fourth Proportional to 1,237,546.80, 1,856,320.20 and 922,618.80

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Solution

The fourth proportional to 1,237,546.80, 1,856,320.20 and 922,618.80 is: 1,383,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,546.80 : 1,856,320.20 = 922,618.80 : x
  2. Step 2: Convert to fraction form
    1,237,546.80/1,856,320.20 = 922,618.80/x
  3. Step 3: Cross multiply
    1,237,546.80x = 1,856,320.20 × 922,618.80
  4. Step 4: Simplify right side
    1,237,546.80x = 1,712,675,915,339.76
  5. Step 5: Solve for x
    x = 1,712,675,915,339.76/1,237,546.80
  6. Step 6: Final answer
    x = 1,383,928.20

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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.