Home / 1,079,868.28-1,621,467.12-913,573.72

Finding the Fourth Proportional to 1,079,868.28, 1,621,467.12 and 913,573.72

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Solution

The fourth proportional to 1,079,868.28, 1,621,467.12 and 913,573.72 is: 1,371,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,868.28 : 1,621,467.12 = 913,573.72 : x
  2. Step 2: Convert to fraction form
    1,079,868.28/1,621,467.12 = 913,573.72/x
  3. Step 3: Cross multiply
    1,079,868.28x = 1,621,467.12 × 913,573.72
  4. Step 4: Simplify right side
    1,079,868.28x = 1,481,329,748,676.09
  5. Step 5: Solve for x
    x = 1,481,329,748,676.09/1,079,868.28
  6. Step 6: Final answer
    x = 1,371,768.92

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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.