Home / 1,152,209.42-1,728,397.16-442,237.46

Finding the Fourth Proportional to 1,152,209.42, 1,728,397.16 and 442,237.46

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Solution

The fourth proportional to 1,152,209.42, 1,728,397.16 and 442,237.46 is: 663,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,209.42 : 1,728,397.16 = 442,237.46 : x
  2. Step 2: Convert to fraction form
    1,152,209.42/1,728,397.16 = 442,237.46/x
  3. Step 3: Cross multiply
    1,152,209.42x = 1,728,397.16 × 442,237.46
  4. Step 4: Simplify right side
    1,152,209.42x = 764,361,964,481.24
  5. Step 5: Solve for x
    x = 764,361,964,481.24/1,152,209.42
  6. Step 6: Final answer
    x = 663,388.06

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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.