Home / 1,129,277.28-1,692,420.96-828,348.96

Finding the Fourth Proportional to 1,129,277.28, 1,692,420.96 and 828,348.96

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Solution

The fourth proportional to 1,129,277.28, 1,692,420.96 and 828,348.96 is: 1,241,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,277.28 : 1,692,420.96 = 828,348.96 : x
  2. Step 2: Convert to fraction form
    1,129,277.28/1,692,420.96 = 828,348.96/x
  3. Step 3: Cross multiply
    1,129,277.28x = 1,692,420.96 × 828,348.96
  4. Step 4: Simplify right side
    1,129,277.28x = 1,401,915,142,098.20
  5. Step 5: Solve for x
    x = 1,401,915,142,098.20/1,129,277.28
  6. Step 6: Final answer
    x = 1,241,426.85

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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.