Home / 1,617,430.20-2,425,729.95-479,923.35

Finding the Fourth Proportional to 1,617,430.20, 2,425,729.95 and 479,923.35

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Solution

The fourth proportional to 1,617,430.20, 2,425,729.95 and 479,923.35 is: 719,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,430.20 : 2,425,729.95 = 479,923.35 : x
  2. Step 2: Convert to fraction form
    1,617,430.20/2,425,729.95 = 479,923.35/x
  3. Step 3: Cross multiply
    1,617,430.20x = 2,425,729.95 × 479,923.35
  4. Step 4: Simplify right side
    1,617,430.20x = 1,164,164,443,799.33
  5. Step 5: Solve for x
    x = 1,164,164,443,799.33/1,617,430.20
  6. Step 6: Final answer
    x = 719,761.78

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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.