Home / 1,326,446.84-1,988,922.85-461,485.08

Finding the Fourth Proportional to 1,326,446.84, 1,988,922.85 and 461,485.08

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Solution

The fourth proportional to 1,326,446.84, 1,988,922.85 and 461,485.08 is: 691,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,446.84 : 1,988,922.85 = 461,485.08 : x
  2. Step 2: Convert to fraction form
    1,326,446.84/1,988,922.85 = 461,485.08/x
  3. Step 3: Cross multiply
    1,326,446.84x = 1,988,922.85 × 461,485.08
  4. Step 4: Simplify right side
    1,326,446.84x = 917,858,226,850.83
  5. Step 5: Solve for x
    x = 917,858,226,850.83/1,326,446.84
  6. Step 6: Final answer
    x = 691,967.60

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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.