Home / 1,225,975.08-1,691,813.28-682,111.92

Finding the Fourth Proportional to 1,225,975.08, 1,691,813.28 and 682,111.92

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Solution

The fourth proportional to 1,225,975.08, 1,691,813.28 and 682,111.92 is: 941,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,975.08 : 1,691,813.28 = 682,111.92 : x
  2. Step 2: Convert to fraction form
    1,225,975.08/1,691,813.28 = 682,111.92/x
  3. Step 3: Cross multiply
    1,225,975.08x = 1,691,813.28 × 682,111.92
  4. Step 4: Simplify right side
    1,225,975.08x = 1,154,006,004,702.30
  5. Step 5: Solve for x
    x = 1,154,006,004,702.30/1,225,975.08
  6. Step 6: Final answer
    x = 941,296.46

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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.