Home / 1,225,894.32-1,691,967.15-767,222.10

Finding the Fourth Proportional to 1,225,894.32, 1,691,967.15 and 767,222.10

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Solution

The fourth proportional to 1,225,894.32, 1,691,967.15 and 767,222.10 is: 1,058,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,894.32 : 1,691,967.15 = 767,222.10 : x
  2. Step 2: Convert to fraction form
    1,225,894.32/1,691,967.15 = 767,222.10/x
  3. Step 3: Cross multiply
    1,225,894.32x = 1,691,967.15 × 767,222.10
  4. Step 4: Simplify right side
    1,225,894.32x = 1,298,114,589,954.01
  5. Step 5: Solve for x
    x = 1,298,114,589,954.01/1,225,894.32
  6. Step 6: Final answer
    x = 1,058,912.31

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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.