Home / 1,189,121.40-1,784,096.82-506,354.04

Finding the Fourth Proportional to 1,189,121.40, 1,784,096.82 and 506,354.04

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Solution

The fourth proportional to 1,189,121.40, 1,784,096.82 and 506,354.04 is: 759,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,121.40 : 1,784,096.82 = 506,354.04 : x
  2. Step 2: Convert to fraction form
    1,189,121.40/1,784,096.82 = 506,354.04/x
  3. Step 3: Cross multiply
    1,189,121.40x = 1,784,096.82 × 506,354.04
  4. Step 4: Simplify right side
    1,189,121.40x = 903,384,632,558.15
  5. Step 5: Solve for x
    x = 903,384,632,558.15/1,189,121.40
  6. Step 6: Final answer
    x = 759,707.66

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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.