Home / 1,523,414.39-2,285,129.75-458,449.20

Finding the Fourth Proportional to 1,523,414.39, 2,285,129.75 and 458,449.20

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Solution

The fourth proportional to 1,523,414.39, 2,285,129.75 and 458,449.20 is: 687,676.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,414.39 : 2,285,129.75 = 458,449.20 : x
  2. Step 2: Convert to fraction form
    1,523,414.39/2,285,129.75 = 458,449.20/x
  3. Step 3: Cross multiply
    1,523,414.39x = 2,285,129.75 × 458,449.20
  4. Step 4: Simplify right side
    1,523,414.39x = 1,047,615,903,491.45
  5. Step 5: Solve for x
    x = 1,047,615,903,491.45/1,523,414.39
  6. Step 6: Final answer
    x = 687,676.26

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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.