Home / 1,416,921.90-2,124,000.45-1,267,622.70

Finding the Fourth Proportional to 1,416,921.90, 2,124,000.45 and 1,267,622.70

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Solution

The fourth proportional to 1,416,921.90, 2,124,000.45 and 1,267,622.70 is: 1,900,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,921.90 : 2,124,000.45 = 1,267,622.70 : x
  2. Step 2: Convert to fraction form
    1,416,921.90/2,124,000.45 = 1,267,622.70/x
  3. Step 3: Cross multiply
    1,416,921.90x = 2,124,000.45 × 1,267,622.70
  4. Step 4: Simplify right side
    1,416,921.90x = 2,692,431,185,230.22
  5. Step 5: Solve for x
    x = 2,692,431,185,230.22/1,416,921.90
  6. Step 6: Final answer
    x = 1,900,197.31

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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.