Home / 999,222-1,378,926.36-546,513

Finding the Fourth Proportional to 999,222, 1,378,926.36 and 546,513

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Solution

The fourth proportional to 999,222, 1,378,926.36 and 546,513 is: 754,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,222 : 1,378,926.36 = 546,513 : x
  2. Step 2: Convert to fraction form
    999,222/1,378,926.36 = 546,513/x
  3. Step 3: Cross multiply
    999,222x = 1,378,926.36 × 546,513
  4. Step 4: Simplify right side
    999,222x = 753,601,181,782.68
  5. Step 5: Solve for x
    x = 753,601,181,782.68/999,222
  6. Step 6: Final answer
    x = 754,187.94

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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.