Home / 1,022,408.45-1,533,616.31-312,433.52

Finding the Fourth Proportional to 1,022,408.45, 1,533,616.31 and 312,433.52

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Solution

The fourth proportional to 1,022,408.45, 1,533,616.31 and 312,433.52 is: 468,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,408.45 : 1,533,616.31 = 312,433.52 : x
  2. Step 2: Convert to fraction form
    1,022,408.45/1,533,616.31 = 312,433.52/x
  3. Step 3: Cross multiply
    1,022,408.45x = 1,533,616.31 × 312,433.52
  4. Step 4: Simplify right side
    1,022,408.45x = 479,153,146,677.84
  5. Step 5: Solve for x
    x = 479,153,146,677.84/1,022,408.45
  6. Step 6: Final answer
    x = 468,651.40

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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.