Home / 1,421,904.24-1,960,956.12-1,179,803.12

Finding the Fourth Proportional to 1,421,904.24, 1,960,956.12 and 1,179,803.12

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Solution

The fourth proportional to 1,421,904.24, 1,960,956.12 and 1,179,803.12 is: 1,627,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,904.24 : 1,960,956.12 = 1,179,803.12 : x
  2. Step 2: Convert to fraction form
    1,421,904.24/1,960,956.12 = 1,179,803.12/x
  3. Step 3: Cross multiply
    1,421,904.24x = 1,960,956.12 × 1,179,803.12
  4. Step 4: Simplify right side
    1,421,904.24x = 2,313,542,148,559.09
  5. Step 5: Solve for x
    x = 2,313,542,148,559.09/1,421,904.24
  6. Step 6: Final answer
    x = 1,627,073.11

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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.