Home / 1,260,819.34-1,739,922.39-716,955.17

Finding the Fourth Proportional to 1,260,819.34, 1,739,922.39 and 716,955.17

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Solution

The fourth proportional to 1,260,819.34, 1,739,922.39 and 716,955.17 is: 989,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,819.34 : 1,739,922.39 = 716,955.17 : x
  2. Step 2: Convert to fraction form
    1,260,819.34/1,739,922.39 = 716,955.17/x
  3. Step 3: Cross multiply
    1,260,819.34x = 1,739,922.39 × 716,955.17
  4. Step 4: Simplify right side
    1,260,819.34x = 1,247,446,344,209.64
  5. Step 5: Solve for x
    x = 1,247,446,344,209.64/1,260,819.34
  6. Step 6: Final answer
    x = 989,393.41

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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.