Home / 1,022,885.28-1,534,272.29-312,913.32

Finding the Fourth Proportional to 1,022,885.28, 1,534,272.29 and 312,913.32

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Solution

The fourth proportional to 1,022,885.28, 1,534,272.29 and 312,913.32 is: 469,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,885.28 : 1,534,272.29 = 312,913.32 : x
  2. Step 2: Convert to fraction form
    1,022,885.28/1,534,272.29 = 312,913.32/x
  3. Step 3: Cross multiply
    1,022,885.28x = 1,534,272.29 × 312,913.32
  4. Step 4: Simplify right side
    1,022,885.28x = 480,094,236,047.90
  5. Step 5: Solve for x
    x = 480,094,236,047.90/1,022,885.28
  6. Step 6: Final answer
    x = 469,352.96

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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.