Home / 1,115,311.38-1,672,026.57-483,749.52

Finding the Fourth Proportional to 1,115,311.38, 1,672,026.57 and 483,749.52

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Solution

The fourth proportional to 1,115,311.38, 1,672,026.57 and 483,749.52 is: 725,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,311.38 : 1,672,026.57 = 483,749.52 : x
  2. Step 2: Convert to fraction form
    1,115,311.38/1,672,026.57 = 483,749.52/x
  3. Step 3: Cross multiply
    1,115,311.38x = 1,672,026.57 × 483,749.52
  4. Step 4: Simplify right side
    1,115,311.38x = 808,842,050,664.75
  5. Step 5: Solve for x
    x = 808,842,050,664.75/1,115,311.38
  6. Step 6: Final answer
    x = 725,216.35

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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.