Home / 751,315.20-1,128,009.60-593,721.60

Finding the Fourth Proportional to 751,315.20, 1,128,009.60 and 593,721.60

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Solution

The fourth proportional to 751,315.20, 1,128,009.60 and 593,721.60 is: 891,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,315.20 : 1,128,009.60 = 593,721.60 : x
  2. Step 2: Convert to fraction form
    751,315.20/1,128,009.60 = 593,721.60/x
  3. Step 3: Cross multiply
    751,315.20x = 1,128,009.60 × 593,721.60
  4. Step 4: Simplify right side
    751,315.20x = 669,723,664,527.36
  5. Step 5: Solve for x
    x = 669,723,664,527.36/751,315.20
  6. Step 6: Final answer
    x = 891,401.72

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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.