Home / 1,217,669.32-1,680,048.57-758,858.32

Finding the Fourth Proportional to 1,217,669.32, 1,680,048.57 and 758,858.32

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Solution

The fourth proportional to 1,217,669.32, 1,680,048.57 and 758,858.32 is: 1,047,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,669.32 : 1,680,048.57 = 758,858.32 : x
  2. Step 2: Convert to fraction form
    1,217,669.32/1,680,048.57 = 758,858.32/x
  3. Step 3: Cross multiply
    1,217,669.32x = 1,680,048.57 × 758,858.32
  4. Step 4: Simplify right side
    1,217,669.32x = 1,274,918,835,348.60
  5. Step 5: Solve for x
    x = 1,274,918,835,348.60/1,217,669.32
  6. Step 6: Final answer
    x = 1,047,015.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.