Home / 1,191,972.55-1,788,013.92-393,323.89

Finding the Fourth Proportional to 1,191,972.55, 1,788,013.92 and 393,323.89

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Solution

The fourth proportional to 1,191,972.55, 1,788,013.92 and 393,323.89 is: 590,004.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,972.55 : 1,788,013.92 = 393,323.89 : x
  2. Step 2: Convert to fraction form
    1,191,972.55/1,788,013.92 = 393,323.89/x
  3. Step 3: Cross multiply
    1,191,972.55x = 1,788,013.92 × 393,323.89
  4. Step 4: Simplify right side
    1,191,972.55x = 703,268,590,388.55
  5. Step 5: Solve for x
    x = 703,268,590,388.55/1,191,972.55
  6. Step 6: Final answer
    x = 590,004.02

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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.