Home / 1,008,318-1,391,508.54-555,638.16

Finding the Fourth Proportional to 1,008,318, 1,391,508.54 and 555,638.16

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Solution

The fourth proportional to 1,008,318, 1,391,508.54 and 555,638.16 is: 766,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,318 : 1,391,508.54 = 555,638.16 : x
  2. Step 2: Convert to fraction form
    1,008,318/1,391,508.54 = 555,638.16/x
  3. Step 3: Cross multiply
    1,008,318x = 1,391,508.54 × 555,638.16
  4. Step 4: Simplify right side
    1,008,318x = 773,175,244,789.89
  5. Step 5: Solve for x
    x = 773,175,244,789.89/1,008,318
  6. Step 6: Final answer
    x = 766,797.03

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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.