Home / 1,170,537.72-1,615,473.12-661,272.88

Finding the Fourth Proportional to 1,170,537.72, 1,615,473.12 and 661,272.88

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Solution

The fourth proportional to 1,170,537.72, 1,615,473.12 and 661,272.88 is: 912,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,537.72 : 1,615,473.12 = 661,272.88 : x
  2. Step 2: Convert to fraction form
    1,170,537.72/1,615,473.12 = 661,272.88/x
  3. Step 3: Cross multiply
    1,170,537.72x = 1,615,473.12 × 661,272.88
  4. Step 4: Simplify right side
    1,170,537.72x = 1,068,268,562,624.99
  5. Step 5: Solve for x
    x = 1,068,268,562,624.99/1,170,537.72
  6. Step 6: Final answer
    x = 912,630.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.