Home / 1,228,526.64-1,842,883.24-418,659.35

Finding the Fourth Proportional to 1,228,526.64, 1,842,883.24 and 418,659.35

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Solution

The fourth proportional to 1,228,526.64, 1,842,883.24 and 418,659.35 is: 628,020.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,526.64 : 1,842,883.24 = 418,659.35 : x
  2. Step 2: Convert to fraction form
    1,228,526.64/1,842,883.24 = 418,659.35/x
  3. Step 3: Cross multiply
    1,228,526.64x = 1,842,883.24 × 418,659.35
  4. Step 4: Simplify right side
    1,228,526.64x = 771,540,299,384.29
  5. Step 5: Solve for x
    x = 771,540,299,384.29/1,228,526.64
  6. Step 6: Final answer
    x = 628,020.81

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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.