Home / 1,012,213.20-1,518,319.80-994,717.20

Finding the Fourth Proportional to 1,012,213.20, 1,518,319.80 and 994,717.20

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Solution

The fourth proportional to 1,012,213.20, 1,518,319.80 and 994,717.20 is: 1,492,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,213.20 : 1,518,319.80 = 994,717.20 : x
  2. Step 2: Convert to fraction form
    1,012,213.20/1,518,319.80 = 994,717.20/x
  3. Step 3: Cross multiply
    1,012,213.20x = 1,518,319.80 × 994,717.20
  4. Step 4: Simplify right side
    1,012,213.20x = 1,510,298,820,160.56
  5. Step 5: Solve for x
    x = 1,510,298,820,160.56/1,012,213.20
  6. Step 6: Final answer
    x = 1,492,075.80

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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.