Home / 1,286,909.96-1,930,894.70-446,052.20

Finding the Fourth Proportional to 1,286,909.96, 1,930,894.70 and 446,052.20

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Solution

The fourth proportional to 1,286,909.96, 1,930,894.70 and 446,052.20 is: 669,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,909.96 : 1,930,894.70 = 446,052.20 : x
  2. Step 2: Convert to fraction form
    1,286,909.96/1,930,894.70 = 446,052.20/x
  3. Step 3: Cross multiply
    1,286,909.96x = 1,930,894.70 × 446,052.20
  4. Step 4: Simplify right side
    1,286,909.96x = 861,279,828,903.34
  5. Step 5: Solve for x
    x = 861,279,828,903.34/1,286,909.96
  6. Step 6: Final answer
    x = 669,261.92

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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.