Home / 1,022,885.60-1,534,272.77-312,913.64

Finding the Fourth Proportional to 1,022,885.60, 1,534,272.77 and 312,913.64

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Solution

The fourth proportional to 1,022,885.60, 1,534,272.77 and 312,913.64 is: 469,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,885.60 : 1,534,272.77 = 312,913.64 : x
  2. Step 2: Convert to fraction form
    1,022,885.60/1,534,272.77 = 312,913.64/x
  3. Step 3: Cross multiply
    1,022,885.60x = 1,534,272.77 × 312,913.64
  4. Step 4: Simplify right side
    1,022,885.60x = 480,094,867,977.65
  5. Step 5: Solve for x
    x = 480,094,867,977.65/1,022,885.60
  6. Step 6: Final answer
    x = 469,353.43

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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.