Home / 1,235,818.80-1,850,617.80-812,804.40

Finding the Fourth Proportional to 1,235,818.80, 1,850,617.80 and 812,804.40

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Solution

The fourth proportional to 1,235,818.80, 1,850,617.80 and 812,804.40 is: 1,217,160.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,818.80 : 1,850,617.80 = 812,804.40 : x
  2. Step 2: Convert to fraction form
    1,235,818.80/1,850,617.80 = 812,804.40/x
  3. Step 3: Cross multiply
    1,235,818.80x = 1,850,617.80 × 812,804.40
  4. Step 4: Simplify right side
    1,235,818.80x = 1,504,190,290,558.32
  5. Step 5: Solve for x
    x = 1,504,190,290,558.32/1,235,818.80
  6. Step 6: Final answer
    x = 1,217,160.87

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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.