Home / 1,561,372.49-2,154,412.73-873,057.98

Finding the Fourth Proportional to 1,561,372.49, 2,154,412.73 and 873,057.98

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Solution

The fourth proportional to 1,561,372.49, 2,154,412.73 and 873,057.98 is: 1,204,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,372.49 : 2,154,412.73 = 873,057.98 : x
  2. Step 2: Convert to fraction form
    1,561,372.49/2,154,412.73 = 873,057.98/x
  3. Step 3: Cross multiply
    1,561,372.49x = 2,154,412.73 × 873,057.98
  4. Step 4: Simplify right side
    1,561,372.49x = 1,880,927,211,002.73
  5. Step 5: Solve for x
    x = 1,880,927,211,002.73/1,561,372.49
  6. Step 6: Final answer
    x = 1,204,662.71

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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.