Home / 1,008,477.60-1,512,716.40-534,919.20

Finding the Fourth Proportional to 1,008,477.60, 1,512,716.40 and 534,919.20

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Solution

The fourth proportional to 1,008,477.60, 1,512,716.40 and 534,919.20 is: 802,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,477.60 : 1,512,716.40 = 534,919.20 : x
  2. Step 2: Convert to fraction form
    1,008,477.60/1,512,716.40 = 534,919.20/x
  3. Step 3: Cross multiply
    1,008,477.60x = 1,512,716.40 × 534,919.20
  4. Step 4: Simplify right side
    1,008,477.60x = 809,181,046,514.88
  5. Step 5: Solve for x
    x = 809,181,046,514.88/1,008,477.60
  6. Step 6: Final answer
    x = 802,378.80

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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.