Home / 1,721,462.10-2,579,240.70-820,964.85

Finding the Fourth Proportional to 1,721,462.10, 2,579,240.70 and 820,964.85

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Solution

The fourth proportional to 1,721,462.10, 2,579,240.70 and 820,964.85 is: 1,230,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,462.10 : 2,579,240.70 = 820,964.85 : x
  2. Step 2: Convert to fraction form
    1,721,462.10/2,579,240.70 = 820,964.85/x
  3. Step 3: Cross multiply
    1,721,462.10x = 2,579,240.70 × 820,964.85
  4. Step 4: Simplify right side
    1,721,462.10x = 2,117,465,954,389.40
  5. Step 5: Solve for x
    x = 2,117,465,954,389.40/1,721,462.10
  6. Step 6: Final answer
    x = 1,230,039.25

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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.