Home / 1,587,396.54-2,188,522.70-1,145,500.26

Finding the Fourth Proportional to 1,587,396.54, 2,188,522.70 and 1,145,500.26

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Solution

The fourth proportional to 1,587,396.54, 2,188,522.70 and 1,145,500.26 is: 1,579,286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,396.54 : 2,188,522.70 = 1,145,500.26 : x
  2. Step 2: Convert to fraction form
    1,587,396.54/2,188,522.70 = 1,145,500.26/x
  3. Step 3: Cross multiply
    1,587,396.54x = 2,188,522.70 × 1,145,500.26
  4. Step 4: Simplify right side
    1,587,396.54x = 2,506,953,321,865.90
  5. Step 5: Solve for x
    x = 2,506,953,321,865.90/1,587,396.54
  6. Step 6: Final answer
    x = 1,579,286.12

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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.