Home / 1,012,002.70-1,518,423.69-443,090.20

Finding the Fourth Proportional to 1,012,002.70, 1,518,423.69 and 443,090.20

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Solution

The fourth proportional to 1,012,002.70, 1,518,423.69 and 443,090.20 is: 664,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,002.70 : 1,518,423.69 = 443,090.20 : x
  2. Step 2: Convert to fraction form
    1,012,002.70/1,518,423.69 = 443,090.20/x
  3. Step 3: Cross multiply
    1,012,002.70x = 1,518,423.69 × 443,090.20
  4. Step 4: Simplify right side
    1,012,002.70x = 672,798,656,486.84
  5. Step 5: Solve for x
    x = 672,798,656,486.84/1,012,002.70
  6. Step 6: Final answer
    x = 664,819.03

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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.