Home / 1,166,842.75-1,750,264.17-280,378.75

Finding the Fourth Proportional to 1,166,842.75, 1,750,264.17 and 280,378.75

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Solution

The fourth proportional to 1,166,842.75, 1,750,264.17 and 280,378.75 is: 420,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,842.75 : 1,750,264.17 = 280,378.75 : x
  2. Step 2: Convert to fraction form
    1,166,842.75/1,750,264.17 = 280,378.75/x
  3. Step 3: Cross multiply
    1,166,842.75x = 1,750,264.17 × 280,378.75
  4. Step 4: Simplify right side
    1,166,842.75x = 490,736,880,154.39
  5. Step 5: Solve for x
    x = 490,736,880,154.39/1,166,842.75
  6. Step 6: Final answer
    x = 420,568.14

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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.