Home / 1,351,321.81-1,864,824.27-739,474.70

Finding the Fourth Proportional to 1,351,321.81, 1,864,824.27 and 739,474.70

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Solution

The fourth proportional to 1,351,321.81, 1,864,824.27 and 739,474.70 is: 1,020,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,321.81 : 1,864,824.27 = 739,474.70 : x
  2. Step 2: Convert to fraction form
    1,351,321.81/1,864,824.27 = 739,474.70/x
  3. Step 3: Cross multiply
    1,351,321.81x = 1,864,824.27 × 739,474.70
  4. Step 4: Simplify right side
    1,351,321.81x = 1,378,990,354,589.47
  5. Step 5: Solve for x
    x = 1,378,990,354,589.47/1,351,321.81
  6. Step 6: Final answer
    x = 1,020,475.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.