Home / 1,806,342.56-2,492,732.18-1,042,379.72

Finding the Fourth Proportional to 1,806,342.56, 2,492,732.18 and 1,042,379.72

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Solution

The fourth proportional to 1,806,342.56, 2,492,732.18 and 1,042,379.72 is: 1,438,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,342.56 : 2,492,732.18 = 1,042,379.72 : x
  2. Step 2: Convert to fraction form
    1,806,342.56/2,492,732.18 = 1,042,379.72/x
  3. Step 3: Cross multiply
    1,806,342.56x = 2,492,732.18 × 1,042,379.72
  4. Step 4: Simplify right side
    1,806,342.56x = 2,598,373,471,823.39
  5. Step 5: Solve for x
    x = 2,598,373,471,823.39/1,806,342.56
  6. Step 6: Final answer
    x = 1,438,472.15

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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.