Home / 1,317,845.10-1,818,738.99-744,987.18

Finding the Fourth Proportional to 1,317,845.10, 1,818,738.99 and 744,987.18

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Solution

The fourth proportional to 1,317,845.10, 1,818,738.99 and 744,987.18 is: 1,028,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,845.10 : 1,818,738.99 = 744,987.18 : x
  2. Step 2: Convert to fraction form
    1,317,845.10/1,818,738.99 = 744,987.18/x
  3. Step 3: Cross multiply
    1,317,845.10x = 1,818,738.99 × 744,987.18
  4. Step 4: Simplify right side
    1,317,845.10x = 1,354,937,231,316.15
  5. Step 5: Solve for x
    x = 1,354,937,231,316.15/1,317,845.10
  6. Step 6: Final answer
    x = 1,028,146.05

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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.