Home / 1,630,909.70-2,445,198.15-731,615.30

Finding the Fourth Proportional to 1,630,909.70, 2,445,198.15 and 731,615.30

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Solution

The fourth proportional to 1,630,909.70, 2,445,198.15 and 731,615.30 is: 1,096,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,909.70 : 2,445,198.15 = 731,615.30 : x
  2. Step 2: Convert to fraction form
    1,630,909.70/2,445,198.15 = 731,615.30/x
  3. Step 3: Cross multiply
    1,630,909.70x = 2,445,198.15 × 731,615.30
  4. Step 4: Simplify right side
    1,630,909.70x = 1,788,944,378,071.70
  5. Step 5: Solve for x
    x = 1,788,944,378,071.70/1,630,909.70
  6. Step 6: Final answer
    x = 1,096,899.71

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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.