Home / 1,989,758.36-2,745,087.00-1,224,483.32

Finding the Fourth Proportional to 1,989,758.36, 2,745,087.00 and 1,224,483.32

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Solution

The fourth proportional to 1,989,758.36, 2,745,087.00 and 1,224,483.32 is: 1,689,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,758.36 : 2,745,087.00 = 1,224,483.32 : x
  2. Step 2: Convert to fraction form
    1,989,758.36/2,745,087.00 = 1,224,483.32/x
  3. Step 3: Cross multiply
    1,989,758.36x = 2,745,087.00 × 1,224,483.32
  4. Step 4: Simplify right side
    1,989,758.36x = 3,361,313,245,719.75
  5. Step 5: Solve for x
    x = 3,361,313,245,719.75/1,989,758.36
  6. Step 6: Final answer
    x = 1,689,307.26

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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.