Home / 1,134,555.30-1,699,500.15-779,969.70

Finding the Fourth Proportional to 1,134,555.30, 1,699,500.15 and 779,969.70

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Solution

The fourth proportional to 1,134,555.30, 1,699,500.15 and 779,969.70 is: 1,168,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,555.30 : 1,699,500.15 = 779,969.70 : x
  2. Step 2: Convert to fraction form
    1,134,555.30/1,699,500.15 = 779,969.70/x
  3. Step 3: Cross multiply
    1,134,555.30x = 1,699,500.15 × 779,969.70
  4. Step 4: Simplify right side
    1,134,555.30x = 1,325,558,622,145.45
  5. Step 5: Solve for x
    x = 1,325,558,622,145.45/1,134,555.30
  6. Step 6: Final answer
    x = 1,168,350.83

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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.