Home / 1,093,723.40-1,641,557.10-643,881.80

Finding the Fourth Proportional to 1,093,723.40, 1,641,557.10 and 643,881.80

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Solution

The fourth proportional to 1,093,723.40, 1,641,557.10 and 643,881.80 is: 966,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,723.40 : 1,641,557.10 = 643,881.80 : x
  2. Step 2: Convert to fraction form
    1,093,723.40/1,641,557.10 = 643,881.80/x
  3. Step 3: Cross multiply
    1,093,723.40x = 1,641,557.10 × 643,881.80
  4. Step 4: Simplify right side
    1,093,723.40x = 1,056,968,740,350.78
  5. Step 5: Solve for x
    x = 1,056,968,740,350.78/1,093,723.40
  6. Step 6: Final answer
    x = 966,394.92

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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.