Home / 1,319,924.28-1,821,522.78-746,964.30

Finding the Fourth Proportional to 1,319,924.28, 1,821,522.78 and 746,964.30

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Solution

The fourth proportional to 1,319,924.28, 1,821,522.78 and 746,964.30 is: 1,030,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,924.28 : 1,821,522.78 = 746,964.30 : x
  2. Step 2: Convert to fraction form
    1,319,924.28/1,821,522.78 = 746,964.30/x
  3. Step 3: Cross multiply
    1,319,924.28x = 1,821,522.78 × 746,964.30
  4. Step 4: Simplify right side
    1,319,924.28x = 1,360,612,488,296.75
  5. Step 5: Solve for x
    x = 1,360,612,488,296.75/1,319,924.28
  6. Step 6: Final answer
    x = 1,030,826.17

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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.