Home / 1,241,384.96-1,862,893.92-680,813.12

Finding the Fourth Proportional to 1,241,384.96, 1,862,893.92 and 680,813.12

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Solution

The fourth proportional to 1,241,384.96, 1,862,893.92 and 680,813.12 is: 1,021,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,384.96 : 1,862,893.92 = 680,813.12 : x
  2. Step 2: Convert to fraction form
    1,241,384.96/1,862,893.92 = 680,813.12/x
  3. Step 3: Cross multiply
    1,241,384.96x = 1,862,893.92 × 680,813.12
  4. Step 4: Simplify right side
    1,241,384.96x = 1,268,282,621,904.23
  5. Step 5: Solve for x
    x = 1,268,282,621,904.23/1,241,384.96
  6. Step 6: Final answer
    x = 1,021,667.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.