Home / 1,617,265.60-2,425,898.40-419,178.40

Finding the Fourth Proportional to 1,617,265.60, 2,425,898.40 and 419,178.40

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Solution

The fourth proportional to 1,617,265.60, 2,425,898.40 and 419,178.40 is: 628,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,265.60 : 2,425,898.40 = 419,178.40 : x
  2. Step 2: Convert to fraction form
    1,617,265.60/2,425,898.40 = 419,178.40/x
  3. Step 3: Cross multiply
    1,617,265.60x = 2,425,898.40 × 419,178.40
  4. Step 4: Simplify right side
    1,617,265.60x = 1,016,884,209,874.56
  5. Step 5: Solve for x
    x = 1,016,884,209,874.56/1,617,265.60
  6. Step 6: Final answer
    x = 628,767.60

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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.