Home / 1,200,051.60-1,800,079.17-490,079.70

Finding the Fourth Proportional to 1,200,051.60, 1,800,079.17 and 490,079.70

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Solution

The fourth proportional to 1,200,051.60, 1,800,079.17 and 490,079.70 is: 735,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,051.60 : 1,800,079.17 = 490,079.70 : x
  2. Step 2: Convert to fraction form
    1,200,051.60/1,800,079.17 = 490,079.70/x
  3. Step 3: Cross multiply
    1,200,051.60x = 1,800,079.17 × 490,079.70
  4. Step 4: Simplify right side
    1,200,051.60x = 882,182,259,609.85
  5. Step 5: Solve for x
    x = 882,182,259,609.85/1,200,051.60
  6. Step 6: Final answer
    x = 735,120.27

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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.