Home / 1,012,540.80-1,518,829.20-302,577.60

Finding the Fourth Proportional to 1,012,540.80, 1,518,829.20 and 302,577.60

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Solution

The fourth proportional to 1,012,540.80, 1,518,829.20 and 302,577.60 is: 453,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,540.80 : 1,518,829.20 = 302,577.60 : x
  2. Step 2: Convert to fraction form
    1,012,540.80/1,518,829.20 = 302,577.60/x
  3. Step 3: Cross multiply
    1,012,540.80x = 1,518,829.20 × 302,577.60
  4. Step 4: Simplify right side
    1,012,540.80x = 459,563,694,145.92
  5. Step 5: Solve for x
    x = 459,563,694,145.92/1,012,540.80
  6. Step 6: Final answer
    x = 453,871.78

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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.