Home / 1,079,025.30-1,618,713.72-405,158.76

Finding the Fourth Proportional to 1,079,025.30, 1,618,713.72 and 405,158.76

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Solution

The fourth proportional to 1,079,025.30, 1,618,713.72 and 405,158.76 is: 607,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,025.30 : 1,618,713.72 = 405,158.76 : x
  2. Step 2: Convert to fraction form
    1,079,025.30/1,618,713.72 = 405,158.76/x
  3. Step 3: Cross multiply
    1,079,025.30x = 1,618,713.72 × 405,158.76
  4. Step 4: Simplify right side
    1,079,025.30x = 655,836,043,590.19
  5. Step 5: Solve for x
    x = 655,836,043,590.19/1,079,025.30
  6. Step 6: Final answer
    x = 607,804.14

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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.