Home / 1,211,755.80-1,816,474.50-453,391.32

Finding the Fourth Proportional to 1,211,755.80, 1,816,474.50 and 453,391.32

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Solution

The fourth proportional to 1,211,755.80, 1,816,474.50 and 453,391.32 is: 679,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,755.80 : 1,816,474.50 = 453,391.32 : x
  2. Step 2: Convert to fraction form
    1,211,755.80/1,816,474.50 = 453,391.32/x
  3. Step 3: Cross multiply
    1,211,755.80x = 1,816,474.50 × 453,391.32
  4. Step 4: Simplify right side
    1,211,755.80x = 823,573,771,301.34
  5. Step 5: Solve for x
    x = 823,573,771,301.34/1,211,755.80
  6. Step 6: Final answer
    x = 679,653.25

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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.