Home / 1,100,802.10-1,651,203.15-764,878.90

Finding the Fourth Proportional to 1,100,802.10, 1,651,203.15 and 764,878.90

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Solution

The fourth proportional to 1,100,802.10, 1,651,203.15 and 764,878.90 is: 1,147,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,802.10 : 1,651,203.15 = 764,878.90 : x
  2. Step 2: Convert to fraction form
    1,100,802.10/1,651,203.15 = 764,878.90/x
  3. Step 3: Cross multiply
    1,100,802.10x = 1,651,203.15 × 764,878.90
  4. Step 4: Simplify right side
    1,100,802.10x = 1,262,970,449,048.53
  5. Step 5: Solve for x
    x = 1,262,970,449,048.53/1,100,802.10
  6. Step 6: Final answer
    x = 1,147,318.35

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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.