Home / 1,523,826.30-2,102,920.45-861,485.46

Finding the Fourth Proportional to 1,523,826.30, 2,102,920.45 and 861,485.46

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Solution

The fourth proportional to 1,523,826.30, 2,102,920.45 and 861,485.46 is: 1,188,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,826.30 : 2,102,920.45 = 861,485.46 : x
  2. Step 2: Convert to fraction form
    1,523,826.30/2,102,920.45 = 861,485.46/x
  3. Step 3: Cross multiply
    1,523,826.30x = 2,102,920.45 × 861,485.46
  4. Step 4: Simplify right side
    1,523,826.30x = 1,811,635,381,171.99
  5. Step 5: Solve for x
    x = 1,811,635,381,171.99/1,523,826.30
  6. Step 6: Final answer
    x = 1,188,872.63

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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.