Home / 1,093,669.75-1,641,233.63-420,307.03

Finding the Fourth Proportional to 1,093,669.75, 1,641,233.63 and 420,307.03

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Solution

The fourth proportional to 1,093,669.75, 1,641,233.63 and 420,307.03 is: 630,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,669.75 : 1,641,233.63 = 420,307.03 : x
  2. Step 2: Convert to fraction form
    1,093,669.75/1,641,233.63 = 420,307.03/x
  3. Step 3: Cross multiply
    1,093,669.75x = 1,641,233.63 × 420,307.03
  4. Step 4: Simplify right side
    1,093,669.75x = 689,822,032,561.42
  5. Step 5: Solve for x
    x = 689,822,032,561.42/1,093,669.75
  6. Step 6: Final answer
    x = 630,740.71

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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.