Home / 1,491,296.49-2,058,222.90-879,516.50

Finding the Fourth Proportional to 1,491,296.49, 2,058,222.90 and 879,516.50

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Solution

The fourth proportional to 1,491,296.49, 2,058,222.90 and 879,516.50 is: 1,213,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,296.49 : 2,058,222.90 = 879,516.50 : x
  2. Step 2: Convert to fraction form
    1,491,296.49/2,058,222.90 = 879,516.50/x
  3. Step 3: Cross multiply
    1,491,296.49x = 2,058,222.90 × 879,516.50
  4. Step 4: Simplify right side
    1,491,296.49x = 1,810,241,001,227.85
  5. Step 5: Solve for x
    x = 1,810,241,001,227.85/1,491,296.49
  6. Step 6: Final answer
    x = 1,213,870.62

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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.