Home / 1,105,441.77-1,526,108.41-775,311.55

Finding the Fourth Proportional to 1,105,441.77, 1,526,108.41 and 775,311.55

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Solution

The fourth proportional to 1,105,441.77, 1,526,108.41 and 775,311.55 is: 1,070,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,441.77 : 1,526,108.41 = 775,311.55 : x
  2. Step 2: Convert to fraction form
    1,105,441.77/1,526,108.41 = 775,311.55/x
  3. Step 3: Cross multiply
    1,105,441.77x = 1,526,108.41 × 775,311.55
  4. Step 4: Simplify right side
    1,105,441.77x = 1,183,209,473,979.00
  5. Step 5: Solve for x
    x = 1,183,209,473,979.00/1,105,441.77
  6. Step 6: Final answer
    x = 1,070,349.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.