Home / 1,132,652.63-1,563,096.07-642,642.80

Finding the Fourth Proportional to 1,132,652.63, 1,563,096.07 and 642,642.80

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Solution

The fourth proportional to 1,132,652.63, 1,563,096.07 and 642,642.80 is: 886,867.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,652.63 : 1,563,096.07 = 642,642.80 : x
  2. Step 2: Convert to fraction form
    1,132,652.63/1,563,096.07 = 642,642.80/x
  3. Step 3: Cross multiply
    1,132,652.63x = 1,563,096.07 × 642,642.80
  4. Step 4: Simplify right side
    1,132,652.63x = 1,004,512,435,093.80
  5. Step 5: Solve for x
    x = 1,004,512,435,093.80/1,132,652.63
  6. Step 6: Final answer
    x = 886,867.17

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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.