Home / 1,168,087.72-1,752,145.62-458,449.96

Finding the Fourth Proportional to 1,168,087.72, 1,752,145.62 and 458,449.96

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Solution

The fourth proportional to 1,168,087.72, 1,752,145.62 and 458,449.96 is: 687,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,087.72 : 1,752,145.62 = 458,449.96 : x
  2. Step 2: Convert to fraction form
    1,168,087.72/1,752,145.62 = 458,449.96/x
  3. Step 3: Cross multiply
    1,168,087.72x = 1,752,145.62 × 458,449.96
  4. Step 4: Simplify right side
    1,168,087.72x = 803,271,089,403.18
  5. Step 5: Solve for x
    x = 803,271,089,403.18/1,168,087.72
  6. Step 6: Final answer
    x = 687,680.45

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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.