Home / 1,190,382.86-1,642,740.20-646,529.27

Finding the Fourth Proportional to 1,190,382.86, 1,642,740.20 and 646,529.27

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Solution

The fourth proportional to 1,190,382.86, 1,642,740.20 and 646,529.27 is: 892,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,382.86 : 1,642,740.20 = 646,529.27 : x
  2. Step 2: Convert to fraction form
    1,190,382.86/1,642,740.20 = 646,529.27/x
  3. Step 3: Cross multiply
    1,190,382.86x = 1,642,740.20 × 646,529.27
  4. Step 4: Simplify right side
    1,190,382.86x = 1,062,079,610,859.31
  5. Step 5: Solve for x
    x = 1,062,079,610,859.31/1,190,382.86
  6. Step 6: Final answer
    x = 892,216.82

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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.