Home / 1,630,784.20-2,445,009.90-731,489.80

Finding the Fourth Proportional to 1,630,784.20, 2,445,009.90 and 731,489.80

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Solution

The fourth proportional to 1,630,784.20, 2,445,009.90 and 731,489.80 is: 1,096,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,784.20 : 2,445,009.90 = 731,489.80 : x
  2. Step 2: Convert to fraction form
    1,630,784.20/2,445,009.90 = 731,489.80/x
  3. Step 3: Cross multiply
    1,630,784.20x = 2,445,009.90 × 731,489.80
  4. Step 4: Simplify right side
    1,630,784.20x = 1,788,499,802,749.02
  5. Step 5: Solve for x
    x = 1,788,499,802,749.02/1,630,784.20
  6. Step 6: Final answer
    x = 1,096,711.51

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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.