Home / 1,447,380.90-1,997,624.82-803,008.68

Finding the Fourth Proportional to 1,447,380.90, 1,997,624.82 and 803,008.68

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Solution

The fourth proportional to 1,447,380.90, 1,997,624.82 and 803,008.68 is: 1,108,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,380.90 : 1,997,624.82 = 803,008.68 : x
  2. Step 2: Convert to fraction form
    1,447,380.90/1,997,624.82 = 803,008.68/x
  3. Step 3: Cross multiply
    1,447,380.90x = 1,997,624.82 × 803,008.68
  4. Step 4: Simplify right side
    1,447,380.90x = 1,604,110,069,843.44
  5. Step 5: Solve for x
    x = 1,604,110,069,843.44/1,447,380.90
  6. Step 6: Final answer
    x = 1,108,284.67

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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.