Home / 1,228,310.32-1,842,531.48-386,927.92

Finding the Fourth Proportional to 1,228,310.32, 1,842,531.48 and 386,927.92

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Solution

The fourth proportional to 1,228,310.32, 1,842,531.48 and 386,927.92 is: 580,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,310.32 : 1,842,531.48 = 386,927.92 : x
  2. Step 2: Convert to fraction form
    1,228,310.32/1,842,531.48 = 386,927.92/x
  3. Step 3: Cross multiply
    1,228,310.32x = 1,842,531.48 × 386,927.92
  4. Step 4: Simplify right side
    1,228,310.32x = 712,926,873,090.92
  5. Step 5: Solve for x
    x = 712,926,873,090.92/1,228,310.32
  6. Step 6: Final answer
    x = 580,412.67

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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.