Home / 1,380,581.52-2,071,013.67-528,369.89

Finding the Fourth Proportional to 1,380,581.52, 2,071,013.67 and 528,369.89

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Solution

The fourth proportional to 1,380,581.52, 2,071,013.67 and 528,369.89 is: 792,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,581.52 : 2,071,013.67 = 528,369.89 : x
  2. Step 2: Convert to fraction form
    1,380,581.52/2,071,013.67 = 528,369.89/x
  3. Step 3: Cross multiply
    1,380,581.52x = 2,071,013.67 × 528,369.89
  4. Step 4: Simplify right side
    1,380,581.52x = 1,094,261,254,651.33
  5. Step 5: Solve for x
    x = 1,094,261,254,651.33/1,380,581.52
  6. Step 6: Final answer
    x = 792,608.94

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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.