Home / 1,790,358.10-2,685,510.75-442,520.80

Finding the Fourth Proportional to 1,790,358.10, 2,685,510.75 and 442,520.80

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Solution

The fourth proportional to 1,790,358.10, 2,685,510.75 and 442,520.80 is: 663,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,358.10 : 2,685,510.75 = 442,520.80 : x
  2. Step 2: Convert to fraction form
    1,790,358.10/2,685,510.75 = 442,520.80/x
  3. Step 3: Cross multiply
    1,790,358.10x = 2,685,510.75 × 442,520.80
  4. Step 4: Simplify right side
    1,790,358.10x = 1,188,394,365,498.60
  5. Step 5: Solve for x
    x = 1,188,394,365,498.60/1,790,358.10
  6. Step 6: Final answer
    x = 663,774.67

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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.