Home / 1,138,871.82-1,708,663.11-340,184.88

Finding the Fourth Proportional to 1,138,871.82, 1,708,663.11 and 340,184.88

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Solution

The fourth proportional to 1,138,871.82, 1,708,663.11 and 340,184.88 is: 510,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,871.82 : 1,708,663.11 = 340,184.88 : x
  2. Step 2: Convert to fraction form
    1,138,871.82/1,708,663.11 = 340,184.88/x
  3. Step 3: Cross multiply
    1,138,871.82x = 1,708,663.11 × 340,184.88
  4. Step 4: Simplify right side
    1,138,871.82x = 581,261,355,035.78
  5. Step 5: Solve for x
    x = 581,261,355,035.78/1,138,871.82
  6. Step 6: Final answer
    x = 510,383.47

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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.