Home / 1,349,490.69-1,861,091.01-1,119,684.20

Finding the Fourth Proportional to 1,349,490.69, 1,861,091.01 and 1,119,684.20

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Solution

The fourth proportional to 1,349,490.69, 1,861,091.01 and 1,119,684.20 is: 1,544,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,490.69 : 1,861,091.01 = 1,119,684.20 : x
  2. Step 2: Convert to fraction form
    1,349,490.69/1,861,091.01 = 1,119,684.20/x
  3. Step 3: Cross multiply
    1,349,490.69x = 1,861,091.01 × 1,119,684.20
  4. Step 4: Simplify right side
    1,349,490.69x = 2,083,834,189,353.59
  5. Step 5: Solve for x
    x = 2,083,834,189,353.59/1,349,490.69
  6. Step 6: Final answer
    x = 1,544,163.44

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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.