Home / 1,043,134.56-1,564,945.92-323,438.40

Finding the Fourth Proportional to 1,043,134.56, 1,564,945.92 and 323,438.40

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Solution

The fourth proportional to 1,043,134.56, 1,564,945.92 and 323,438.40 is: 485,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,134.56 : 1,564,945.92 = 323,438.40 : x
  2. Step 2: Convert to fraction form
    1,043,134.56/1,564,945.92 = 323,438.40/x
  3. Step 3: Cross multiply
    1,043,134.56x = 1,564,945.92 × 323,438.40
  4. Step 4: Simplify right side
    1,043,134.56x = 506,163,604,451.33
  5. Step 5: Solve for x
    x = 506,163,604,451.33/1,043,134.56
  6. Step 6: Final answer
    x = 485,233.28

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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.