Home / 1,054,137-1,581,501.12-423,493.68

Finding the Fourth Proportional to 1,054,137, 1,581,501.12 and 423,493.68

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Solution

The fourth proportional to 1,054,137, 1,581,501.12 and 423,493.68 is: 635,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,137 : 1,581,501.12 = 423,493.68 : x
  2. Step 2: Convert to fraction form
    1,054,137/1,581,501.12 = 423,493.68/x
  3. Step 3: Cross multiply
    1,054,137x = 1,581,501.12 × 423,493.68
  4. Step 4: Simplify right side
    1,054,137x = 669,755,729,232.92
  5. Step 5: Solve for x
    x = 669,755,729,232.92/1,054,137
  6. Step 6: Final answer
    x = 635,359.28

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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.