Home / 1,071,043.72-1,605,778.26-510,471.88

Finding the Fourth Proportional to 1,071,043.72, 1,605,778.26 and 510,471.88

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Solution

The fourth proportional to 1,071,043.72, 1,605,778.26 and 510,471.88 is: 765,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,043.72 : 1,605,778.26 = 510,471.88 : x
  2. Step 2: Convert to fraction form
    1,071,043.72/1,605,778.26 = 510,471.88/x
  3. Step 3: Cross multiply
    1,071,043.72x = 1,605,778.26 × 510,471.88
  4. Step 4: Simplify right side
    1,071,043.72x = 819,704,652,535.95
  5. Step 5: Solve for x
    x = 819,704,652,535.95/1,071,043.72
  6. Step 6: Final answer
    x = 765,332.58

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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.