Home / 1,319,512.32-1,820,965.39-746,540.19

Finding the Fourth Proportional to 1,319,512.32, 1,820,965.39 and 746,540.19

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Solution

The fourth proportional to 1,319,512.32, 1,820,965.39 and 746,540.19 is: 1,030,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,512.32 : 1,820,965.39 = 746,540.19 : x
  2. Step 2: Convert to fraction form
    1,319,512.32/1,820,965.39 = 746,540.19/x
  3. Step 3: Cross multiply
    1,319,512.32x = 1,820,965.39 × 746,540.19
  4. Step 4: Simplify right side
    1,319,512.32x = 1,359,423,846,367.67
  5. Step 5: Solve for x
    x = 1,359,423,846,367.67/1,319,512.32
  6. Step 6: Final answer
    x = 1,030,247.18

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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.