Home / 1,113,245.64-1,668,499.92-513,374.04

Finding the Fourth Proportional to 1,113,245.64, 1,668,499.92 and 513,374.04

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Solution

The fourth proportional to 1,113,245.64, 1,668,499.92 and 513,374.04 is: 769,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,245.64 : 1,668,499.92 = 513,374.04 : x
  2. Step 2: Convert to fraction form
    1,113,245.64/1,668,499.92 = 513,374.04/x
  3. Step 3: Cross multiply
    1,113,245.64x = 1,668,499.92 × 513,374.04
  4. Step 4: Simplify right side
    1,113,245.64x = 856,564,544,670.08
  5. Step 5: Solve for x
    x = 856,564,544,670.08/1,113,245.64
  6. Step 6: Final answer
    x = 769,429.96

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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.