Home / 1,019,954.40-1,530,264.45-487,516.92

Finding the Fourth Proportional to 1,019,954.40, 1,530,264.45 and 487,516.92

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Solution

The fourth proportional to 1,019,954.40, 1,530,264.45 and 487,516.92 is: 731,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,954.40 : 1,530,264.45 = 487,516.92 : x
  2. Step 2: Convert to fraction form
    1,019,954.40/1,530,264.45 = 487,516.92/x
  3. Step 3: Cross multiply
    1,019,954.40x = 1,530,264.45 × 487,516.92
  4. Step 4: Simplify right side
    1,019,954.40x = 746,029,811,449.49
  5. Step 5: Solve for x
    x = 746,029,811,449.49/1,019,954.40
  6. Step 6: Final answer
    x = 731,434.48

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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.