Home / 1,630,581.60-2,443,539.60-1,200,763.20

Finding the Fourth Proportional to 1,630,581.60, 2,443,539.60 and 1,200,763.20

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Solution

The fourth proportional to 1,630,581.60, 2,443,539.60 and 1,200,763.20 is: 1,799,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,581.60 : 2,443,539.60 = 1,200,763.20 : x
  2. Step 2: Convert to fraction form
    1,630,581.60/2,443,539.60 = 1,200,763.20/x
  3. Step 3: Cross multiply
    1,630,581.60x = 2,443,539.60 × 1,200,763.20
  4. Step 4: Simplify right side
    1,630,581.60x = 2,934,112,429,422.72
  5. Step 5: Solve for x
    x = 2,934,112,429,422.72/1,630,581.60
  6. Step 6: Final answer
    x = 1,799,426.92

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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.