Home / 1,155,302.58-1,594,194.86-638,974.43

Finding the Fourth Proportional to 1,155,302.58, 1,594,194.86 and 638,974.43

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Solution

The fourth proportional to 1,155,302.58, 1,594,194.86 and 638,974.43 is: 881,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,302.58 : 1,594,194.86 = 638,974.43 : x
  2. Step 2: Convert to fraction form
    1,155,302.58/1,594,194.86 = 638,974.43/x
  3. Step 3: Cross multiply
    1,155,302.58x = 1,594,194.86 × 638,974.43
  4. Step 4: Simplify right side
    1,155,302.58x = 1,018,649,751,977.43
  5. Step 5: Solve for x
    x = 1,018,649,751,977.43/1,155,302.58
  6. Step 6: Final answer
    x = 881,716.85

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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.