Home / 1,089,945.90-1,633,363.65-803,400.30

Finding the Fourth Proportional to 1,089,945.90, 1,633,363.65 and 803,400.30

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Solution

The fourth proportional to 1,089,945.90, 1,633,363.65 and 803,400.30 is: 1,203,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,945.90 : 1,633,363.65 = 803,400.30 : x
  2. Step 2: Convert to fraction form
    1,089,945.90/1,633,363.65 = 803,400.30/x
  3. Step 3: Cross multiply
    1,089,945.90x = 1,633,363.65 × 803,400.30
  4. Step 4: Simplify right side
    1,089,945.90x = 1,312,244,846,419.10
  5. Step 5: Solve for x
    x = 1,312,244,846,419.10/1,089,945.90
  6. Step 6: Final answer
    x = 1,203,954.11

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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.