Home / 1,008,244.30-1,512,366.45-447,278.80

Finding the Fourth Proportional to 1,008,244.30, 1,512,366.45 and 447,278.80

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Solution

The fourth proportional to 1,008,244.30, 1,512,366.45 and 447,278.80 is: 670,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,244.30 : 1,512,366.45 = 447,278.80 : x
  2. Step 2: Convert to fraction form
    1,008,244.30/1,512,366.45 = 447,278.80/x
  3. Step 3: Cross multiply
    1,008,244.30x = 1,512,366.45 × 447,278.80
  4. Step 4: Simplify right side
    1,008,244.30x = 676,449,450,916.26
  5. Step 5: Solve for x
    x = 676,449,450,916.26/1,008,244.30
  6. Step 6: Final answer
    x = 670,918.20

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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.