Home / 1,237,720.80-1,856,581.20-922,792.80

Finding the Fourth Proportional to 1,237,720.80, 1,856,581.20 and 922,792.80

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Solution

The fourth proportional to 1,237,720.80, 1,856,581.20 and 922,792.80 is: 1,384,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,720.80 : 1,856,581.20 = 922,792.80 : x
  2. Step 2: Convert to fraction form
    1,237,720.80/1,856,581.20 = 922,792.80/x
  3. Step 3: Cross multiply
    1,237,720.80x = 1,856,581.20 × 922,792.80
  4. Step 4: Simplify right side
    1,237,720.80x = 1,713,239,763,975.36
  5. Step 5: Solve for x
    x = 1,713,239,763,975.36/1,237,720.80
  6. Step 6: Final answer
    x = 1,384,189.20

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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.