Home / 1,049,234.80-1,570,223.40-628,812.40

Finding the Fourth Proportional to 1,049,234.80, 1,570,223.40 and 628,812.40

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Solution

The fourth proportional to 1,049,234.80, 1,570,223.40 and 628,812.40 is: 941,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,234.80 : 1,570,223.40 = 628,812.40 : x
  2. Step 2: Convert to fraction form
    1,049,234.80/1,570,223.40 = 628,812.40/x
  3. Step 3: Cross multiply
    1,049,234.80x = 1,570,223.40 × 628,812.40
  4. Step 4: Simplify right side
    1,049,234.80x = 987,375,944,690.16
  5. Step 5: Solve for x
    x = 987,375,944,690.16/1,049,234.80
  6. Step 6: Final answer
    x = 941,043.84

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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.