Home / 1,488,000.20-2,232,000.30-541,401.80

Finding the Fourth Proportional to 1,488,000.20, 2,232,000.30 and 541,401.80

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Solution

The fourth proportional to 1,488,000.20, 2,232,000.30 and 541,401.80 is: 812,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,000.20 : 2,232,000.30 = 541,401.80 : x
  2. Step 2: Convert to fraction form
    1,488,000.20/2,232,000.30 = 541,401.80/x
  3. Step 3: Cross multiply
    1,488,000.20x = 2,232,000.30 × 541,401.80
  4. Step 4: Simplify right side
    1,488,000.20x = 1,208,408,980,020.54
  5. Step 5: Solve for x
    x = 1,208,408,980,020.54/1,488,000.20
  6. Step 6: Final answer
    x = 812,102.70

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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.