Home / 1,310,421.24-1,965,630.44-411,941.50

Finding the Fourth Proportional to 1,310,421.24, 1,965,630.44 and 411,941.50

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Solution

The fourth proportional to 1,310,421.24, 1,965,630.44 and 411,941.50 is: 617,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,421.24 : 1,965,630.44 = 411,941.50 : x
  2. Step 2: Convert to fraction form
    1,310,421.24/1,965,630.44 = 411,941.50/x
  3. Step 3: Cross multiply
    1,310,421.24x = 1,965,630.44 × 411,941.50
  4. Step 4: Simplify right side
    1,310,421.24x = 809,724,748,015.04
  5. Step 5: Solve for x
    x = 809,724,748,015.04/1,310,421.24
  6. Step 6: Final answer
    x = 617,911.80

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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.