Home / 930,947.70-1,396,421.55-836,469.30

Finding the Fourth Proportional to 930,947.70, 1,396,421.55 and 836,469.30

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Solution

The fourth proportional to 930,947.70, 1,396,421.55 and 836,469.30 is: 1,254,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,947.70 : 1,396,421.55 = 836,469.30 : x
  2. Step 2: Convert to fraction form
    930,947.70/1,396,421.55 = 836,469.30/x
  3. Step 3: Cross multiply
    930,947.70x = 1,396,421.55 × 836,469.30
  4. Step 4: Simplify right side
    930,947.70x = 1,168,063,756,433.42
  5. Step 5: Solve for x
    x = 1,168,063,756,433.42/930,947.70
  6. Step 6: Final answer
    x = 1,254,703.95

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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.