Home / 1,459,000.35-2,188,498.50-810,988.47

Finding the Fourth Proportional to 1,459,000.35, 2,188,498.50 and 810,988.47

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Solution

The fourth proportional to 1,459,000.35, 2,188,498.50 and 810,988.47 is: 1,216,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,000.35 : 2,188,498.50 = 810,988.47 : x
  2. Step 2: Convert to fraction form
    1,459,000.35/2,188,498.50 = 810,988.47/x
  3. Step 3: Cross multiply
    1,459,000.35x = 2,188,498.50 × 810,988.47
  4. Step 4: Simplify right side
    1,459,000.35x = 1,774,847,050,112.30
  5. Step 5: Solve for x
    x = 1,774,847,050,112.30/1,459,000.35
  6. Step 6: Final answer
    x = 1,216,481.58

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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.