Home / 1,476,988.40-2,215,450.20-412,000.40

Finding the Fourth Proportional to 1,476,988.40, 2,215,450.20 and 412,000.40

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Solution

The fourth proportional to 1,476,988.40, 2,215,450.20 and 412,000.40 is: 617,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,988.40 : 2,215,450.20 = 412,000.40 : x
  2. Step 2: Convert to fraction form
    1,476,988.40/2,215,450.20 = 412,000.40/x
  3. Step 3: Cross multiply
    1,476,988.40x = 2,215,450.20 × 412,000.40
  4. Step 4: Simplify right side
    1,476,988.40x = 912,766,368,580.08
  5. Step 5: Solve for x
    x = 912,766,368,580.08/1,476,988.40
  6. Step 6: Final answer
    x = 617,991.56

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1.5x scale

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.