Home / 1,190,381.48-1,642,738.30-646,527.90

Finding the Fourth Proportional to 1,190,381.48, 1,642,738.30 and 646,527.90

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Solution

The fourth proportional to 1,190,381.48, 1,642,738.30 and 646,527.90 is: 892,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,381.48 : 1,642,738.30 = 646,527.90 : x
  2. Step 2: Convert to fraction form
    1,190,381.48/1,642,738.30 = 646,527.90/x
  3. Step 3: Cross multiply
    1,190,381.48x = 1,642,738.30 × 646,527.90
  4. Step 4: Simplify right side
    1,190,381.48x = 1,062,076,143,348.57
  5. Step 5: Solve for x
    x = 1,062,076,143,348.57/1,190,381.48
  6. Step 6: Final answer
    x = 892,214.94

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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.