Home / 1,146,942.09-1,720,619.98-472,648.07

Finding the Fourth Proportional to 1,146,942.09, 1,720,619.98 and 472,648.07

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Solution

The fourth proportional to 1,146,942.09, 1,720,619.98 and 472,648.07 is: 709,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,942.09 : 1,720,619.98 = 472,648.07 : x
  2. Step 2: Convert to fraction form
    1,146,942.09/1,720,619.98 = 472,648.07/x
  3. Step 3: Cross multiply
    1,146,942.09x = 1,720,619.98 × 472,648.07
  4. Step 4: Simplify right side
    1,146,942.09x = 813,247,704,147.34
  5. Step 5: Solve for x
    x = 813,247,704,147.34/1,146,942.09
  6. Step 6: Final answer
    x = 709,057.34

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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.