Home / 1,487,514.20-2,231,271.30-490,112.60

Finding the Fourth Proportional to 1,487,514.20, 2,231,271.30 and 490,112.60

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Solution

The fourth proportional to 1,487,514.20, 2,231,271.30 and 490,112.60 is: 735,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,514.20 : 2,231,271.30 = 490,112.60 : x
  2. Step 2: Convert to fraction form
    1,487,514.20/2,231,271.30 = 490,112.60/x
  3. Step 3: Cross multiply
    1,487,514.20x = 2,231,271.30 × 490,112.60
  4. Step 4: Simplify right side
    1,487,514.20x = 1,093,574,178,148.38
  5. Step 5: Solve for x
    x = 1,093,574,178,148.38/1,487,514.20
  6. Step 6: Final answer
    x = 735,168.90

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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.