Home / 1,251,412.96-1,877,293.91-386,918.45

Finding the Fourth Proportional to 1,251,412.96, 1,877,293.91 and 386,918.45

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Solution

The fourth proportional to 1,251,412.96, 1,877,293.91 and 386,918.45 is: 580,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,412.96 : 1,877,293.91 = 386,918.45 : x
  2. Step 2: Convert to fraction form
    1,251,412.96/1,877,293.91 = 386,918.45/x
  3. Step 3: Cross multiply
    1,251,412.96x = 1,877,293.91 × 386,918.45
  4. Step 4: Simplify right side
    1,251,412.96x = 726,359,658,306.62
  5. Step 5: Solve for x
    x = 726,359,658,306.62/1,251,412.96
  6. Step 6: Final answer
    x = 580,431.63

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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.