Home / 1,134,559.80-1,699,506.90-779,974.20

Finding the Fourth Proportional to 1,134,559.80, 1,699,506.90 and 779,974.20

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Solution

The fourth proportional to 1,134,559.80, 1,699,506.90 and 779,974.20 is: 1,168,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,559.80 : 1,699,506.90 = 779,974.20 : x
  2. Step 2: Convert to fraction form
    1,134,559.80/1,699,506.90 = 779,974.20/x
  3. Step 3: Cross multiply
    1,134,559.80x = 1,699,506.90 × 779,974.20
  4. Step 4: Simplify right side
    1,134,559.80x = 1,325,571,534,721.98
  5. Step 5: Solve for x
    x = 1,325,571,534,721.98/1,134,559.80
  6. Step 6: Final answer
    x = 1,168,357.57

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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.