Home / 1,202,139.09-1,800,346.50-695,632.86

Finding the Fourth Proportional to 1,202,139.09, 1,800,346.50 and 695,632.86

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Solution

The fourth proportional to 1,202,139.09, 1,800,346.50 and 695,632.86 is: 1,041,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,139.09 : 1,800,346.50 = 695,632.86 : x
  2. Step 2: Convert to fraction form
    1,202,139.09/1,800,346.50 = 695,632.86/x
  3. Step 3: Cross multiply
    1,202,139.09x = 1,800,346.50 × 695,632.86
  4. Step 4: Simplify right side
    1,202,139.09x = 1,252,380,184,785.99
  5. Step 5: Solve for x
    x = 1,252,380,184,785.99/1,202,139.09
  6. Step 6: Final answer
    x = 1,041,793.08

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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.