Home / 2,486,026.69-3,729,029.40-688,905

Finding the Fourth Proportional to 2,486,026.69, 3,729,029.40 and 688,905

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Solution

The fourth proportional to 2,486,026.69, 3,729,029.40 and 688,905 is: 1,033,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,026.69 : 3,729,029.40 = 688,905 : x
  2. Step 2: Convert to fraction form
    2,486,026.69/3,729,029.40 = 688,905/x
  3. Step 3: Cross multiply
    2,486,026.69x = 3,729,029.40 × 688,905
  4. Step 4: Simplify right side
    2,486,026.69x = 2,568,946,998,807
  5. Step 5: Solve for x
    x = 2,568,946,998,807/2,486,026.69
  6. Step 6: Final answer
    x = 1,033,354.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.