Home / 1,077,263.69-1,615,398.73-318,833.96

Finding the Fourth Proportional to 1,077,263.69, 1,615,398.73 and 318,833.96

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Solution

The fourth proportional to 1,077,263.69, 1,615,398.73 and 318,833.96 is: 478,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,263.69 : 1,615,398.73 = 318,833.96 : x
  2. Step 2: Convert to fraction form
    1,077,263.69/1,615,398.73 = 318,833.96/x
  3. Step 3: Cross multiply
    1,077,263.69x = 1,615,398.73 × 318,833.96
  4. Step 4: Simplify right side
    1,077,263.69x = 515,043,965,190.79
  5. Step 5: Solve for x
    x = 515,043,965,190.79/1,077,263.69
  6. Step 6: Final answer
    x = 478,103.90

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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.