Home / 1,212,093.52-1,672,699.88-668,248.58

Finding the Fourth Proportional to 1,212,093.52, 1,672,699.88 and 668,248.58

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Solution

The fourth proportional to 1,212,093.52, 1,672,699.88 and 668,248.58 is: 922,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,093.52 : 1,672,699.88 = 668,248.58 : x
  2. Step 2: Convert to fraction form
    1,212,093.52/1,672,699.88 = 668,248.58/x
  3. Step 3: Cross multiply
    1,212,093.52x = 1,672,699.88 × 668,248.58
  4. Step 4: Simplify right side
    1,212,093.52x = 1,117,779,325,428.54
  5. Step 5: Solve for x
    x = 1,117,779,325,428.54/1,212,093.52
  6. Step 6: Final answer
    x = 922,189.01

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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.