Home / 1,176,429-1,764,643.68-289,965

Finding the Fourth Proportional to 1,176,429, 1,764,643.68 and 289,965

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Solution

The fourth proportional to 1,176,429, 1,764,643.68 and 289,965 is: 434,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,429 : 1,764,643.68 = 289,965 : x
  2. Step 2: Convert to fraction form
    1,176,429/1,764,643.68 = 289,965/x
  3. Step 3: Cross multiply
    1,176,429x = 1,764,643.68 × 289,965
  4. Step 4: Simplify right side
    1,176,429x = 511,684,904,671.20
  5. Step 5: Solve for x
    x = 511,684,904,671.20/1,176,429
  6. Step 6: Final answer
    x = 434,947.54

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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.