Home / 1,166,838.75-1,750,258.14-280,374.75

Finding the Fourth Proportional to 1,166,838.75, 1,750,258.14 and 280,374.75

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Solution

The fourth proportional to 1,166,838.75, 1,750,258.14 and 280,374.75 is: 420,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,838.75 : 1,750,258.14 = 280,374.75 : x
  2. Step 2: Convert to fraction form
    1,166,838.75/1,750,258.14 = 280,374.75/x
  3. Step 3: Cross multiply
    1,166,838.75x = 1,750,258.14 × 280,374.75
  4. Step 4: Simplify right side
    1,166,838.75x = 490,728,188,437.97
  5. Step 5: Solve for x
    x = 490,728,188,437.97/1,166,838.75
  6. Step 6: Final answer
    x = 420,562.13

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1.5x scale

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.