Home / 1,692,417.30-2,538,707.96-555,078.88

Finding the Fourth Proportional to 1,692,417.30, 2,538,707.96 and 555,078.88

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Solution

The fourth proportional to 1,692,417.30, 2,538,707.96 and 555,078.88 is: 832,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,417.30 : 2,538,707.96 = 555,078.88 : x
  2. Step 2: Convert to fraction form
    1,692,417.30/2,538,707.96 = 555,078.88/x
  3. Step 3: Cross multiply
    1,692,417.30x = 2,538,707.96 × 555,078.88
  4. Step 4: Simplify right side
    1,692,417.30x = 1,409,183,171,083.88
  5. Step 5: Solve for x
    x = 1,409,183,171,083.88/1,692,417.30
  6. Step 6: Final answer
    x = 832,645.22

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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.