Home / 1,131,036.12-1,560,834.90-621,771.30

Finding the Fourth Proportional to 1,131,036.12, 1,560,834.90 and 621,771.30

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Solution

The fourth proportional to 1,131,036.12, 1,560,834.90 and 621,771.30 is: 858,047.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,036.12 : 1,560,834.90 = 621,771.30 : x
  2. Step 2: Convert to fraction form
    1,131,036.12/1,560,834.90 = 621,771.30/x
  3. Step 3: Cross multiply
    1,131,036.12x = 1,560,834.90 × 621,771.30
  4. Step 4: Simplify right side
    1,131,036.12x = 970,482,344,858.37
  5. Step 5: Solve for x
    x = 970,482,344,858.37/1,131,036.12
  6. Step 6: Final answer
    x = 858,047.17

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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.