Home / 1,155,021.22-1,593,883.38-638,741.62

Finding the Fourth Proportional to 1,155,021.22, 1,593,883.38 and 638,741.62

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Solution

The fourth proportional to 1,155,021.22, 1,593,883.38 and 638,741.62 is: 881,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,021.22 : 1,593,883.38 = 638,741.62 : x
  2. Step 2: Convert to fraction form
    1,155,021.22/1,593,883.38 = 638,741.62/x
  3. Step 3: Cross multiply
    1,155,021.22x = 1,593,883.38 × 638,741.62
  4. Step 4: Simplify right side
    1,155,021.22x = 1,018,079,652,232.28
  5. Step 5: Solve for x
    x = 1,018,079,652,232.28/1,155,021.22
  6. Step 6: Final answer
    x = 881,438.05

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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.