Home / 1,510,111.20-2,265,166.80-512,839.20

Finding the Fourth Proportional to 1,510,111.20, 2,265,166.80 and 512,839.20

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Solution

The fourth proportional to 1,510,111.20, 2,265,166.80 and 512,839.20 is: 769,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,111.20 : 2,265,166.80 = 512,839.20 : x
  2. Step 2: Convert to fraction form
    1,510,111.20/2,265,166.80 = 512,839.20/x
  3. Step 3: Cross multiply
    1,510,111.20x = 2,265,166.80 × 512,839.20
  4. Step 4: Simplify right side
    1,510,111.20x = 1,161,666,329,578.56
  5. Step 5: Solve for x
    x = 1,161,666,329,578.56/1,510,111.20
  6. Step 6: Final answer
    x = 769,258.80

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Similar ratio
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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.