Home / 1,112,664.60-1,669,002.57-472,803.48

Finding the Fourth Proportional to 1,112,664.60, 1,669,002.57 and 472,803.48

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Solution

The fourth proportional to 1,112,664.60, 1,669,002.57 and 472,803.48 is: 709,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,664.60 : 1,669,002.57 = 472,803.48 : x
  2. Step 2: Convert to fraction form
    1,112,664.60/1,669,002.57 = 472,803.48/x
  3. Step 3: Cross multiply
    1,112,664.60x = 1,669,002.57 × 472,803.48
  4. Step 4: Simplify right side
    1,112,664.60x = 789,110,223,224.94
  5. Step 5: Solve for x
    x = 789,110,223,224.94/1,112,664.60
  6. Step 6: Final answer
    x = 709,207.63

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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.