Home / 1,077,275.69-1,615,416.73-318,845.96

Finding the Fourth Proportional to 1,077,275.69, 1,615,416.73 and 318,845.96

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Solution

The fourth proportional to 1,077,275.69, 1,615,416.73 and 318,845.96 is: 478,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,275.69 : 1,615,416.73 = 318,845.96 : x
  2. Step 2: Convert to fraction form
    1,077,275.69/1,615,416.73 = 318,845.96/x
  3. Step 3: Cross multiply
    1,077,275.69x = 1,615,416.73 × 318,845.96
  4. Step 4: Simplify right side
    1,077,275.69x = 515,069,098,076.91
  5. Step 5: Solve for x
    x = 515,069,098,076.91/1,077,275.69
  6. Step 6: Final answer
    x = 478,121.90

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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.