Home / 1,555,861.64-2,329,391.37-824,718.89

Finding the Fourth Proportional to 1,555,861.64, 2,329,391.37 and 824,718.89

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Solution

The fourth proportional to 1,555,861.64, 2,329,391.37 and 824,718.89 is: 1,234,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,861.64 : 2,329,391.37 = 824,718.89 : x
  2. Step 2: Convert to fraction form
    1,555,861.64/2,329,391.37 = 824,718.89/x
  3. Step 3: Cross multiply
    1,555,861.64x = 2,329,391.37 × 824,718.89
  4. Step 4: Simplify right side
    1,555,861.64x = 1,921,093,065,041.98
  5. Step 5: Solve for x
    x = 1,921,093,065,041.98/1,555,861.64
  6. Step 6: Final answer
    x = 1,234,745.44

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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.