Home / 1,540,401.42-2,125,590.30-851,963.90

Finding the Fourth Proportional to 1,540,401.42, 2,125,590.30 and 851,963.90

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Solution

The fourth proportional to 1,540,401.42, 2,125,590.30 and 851,963.90 is: 1,175,619.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,401.42 : 2,125,590.30 = 851,963.90 : x
  2. Step 2: Convert to fraction form
    1,540,401.42/2,125,590.30 = 851,963.90/x
  3. Step 3: Cross multiply
    1,540,401.42x = 2,125,590.30 × 851,963.90
  4. Step 4: Simplify right side
    1,540,401.42x = 1,810,926,201,790.17
  5. Step 5: Solve for x
    x = 1,810,926,201,790.17/1,540,401.42
  6. Step 6: Final answer
    x = 1,175,619.67

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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.