Home / 1,269,488.76-1,751,894.40-725,636.20

Finding the Fourth Proportional to 1,269,488.76, 1,751,894.40 and 725,636.20

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Solution

The fourth proportional to 1,269,488.76, 1,751,894.40 and 725,636.20 is: 1,001,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,488.76 : 1,751,894.40 = 725,636.20 : x
  2. Step 2: Convert to fraction form
    1,269,488.76/1,751,894.40 = 725,636.20/x
  3. Step 3: Cross multiply
    1,269,488.76x = 1,751,894.40 × 725,636.20
  4. Step 4: Simplify right side
    1,269,488.76x = 1,271,237,995,217.28
  5. Step 5: Solve for x
    x = 1,271,237,995,217.28/1,269,488.76
  6. Step 6: Final answer
    x = 1,001,377.91

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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.