Home / 1,049,297.80-1,570,317.90-628,875.40

Finding the Fourth Proportional to 1,049,297.80, 1,570,317.90 and 628,875.40

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Solution

The fourth proportional to 1,049,297.80, 1,570,317.90 and 628,875.40 is: 941,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,297.80 : 1,570,317.90 = 628,875.40 : x
  2. Step 2: Convert to fraction form
    1,049,297.80/1,570,317.90 = 628,875.40/x
  3. Step 3: Cross multiply
    1,049,297.80x = 1,570,317.90 × 628,875.40
  4. Step 4: Simplify right side
    1,049,297.80x = 987,534,297,489.66
  5. Step 5: Solve for x
    x = 987,534,297,489.66/1,049,297.80
  6. Step 6: Final answer
    x = 941,138.25

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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.