Home / 1,692,077-2,538,184.62-429,937.16

Finding the Fourth Proportional to 1,692,077, 2,538,184.62 and 429,937.16

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Solution

The fourth proportional to 1,692,077, 2,538,184.62 and 429,937.16 is: 644,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,077 : 2,538,184.62 = 429,937.16 : x
  2. Step 2: Convert to fraction form
    1,692,077/2,538,184.62 = 429,937.16/x
  3. Step 3: Cross multiply
    1,692,077x = 2,538,184.62 × 429,937.16
  4. Step 4: Simplify right side
    1,692,077x = 1,091,259,887,078.48
  5. Step 5: Solve for x
    x = 1,091,259,887,078.48/1,692,077
  6. Step 6: Final answer
    x = 644,923.30

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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.