Home / 1,560,148.90-2,340,223.35-1,321,000.45

Finding the Fourth Proportional to 1,560,148.90, 2,340,223.35 and 1,321,000.45

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Solution

The fourth proportional to 1,560,148.90, 2,340,223.35 and 1,321,000.45 is: 1,981,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,148.90 : 2,340,223.35 = 1,321,000.45 : x
  2. Step 2: Convert to fraction form
    1,560,148.90/2,340,223.35 = 1,321,000.45/x
  3. Step 3: Cross multiply
    1,560,148.90x = 2,340,223.35 × 1,321,000.45
  4. Step 4: Simplify right side
    1,560,148.90x = 3,091,436,098,450.51
  5. Step 5: Solve for x
    x = 3,091,436,098,450.51/1,560,148.90
  6. Step 6: Final answer
    x = 1,981,500.68

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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.