Home / 1,617,237.60-2,425,856.40-419,150.40

Finding the Fourth Proportional to 1,617,237.60, 2,425,856.40 and 419,150.40

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Solution

The fourth proportional to 1,617,237.60, 2,425,856.40 and 419,150.40 is: 628,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,237.60 : 2,425,856.40 = 419,150.40 : x
  2. Step 2: Convert to fraction form
    1,617,237.60/2,425,856.40 = 419,150.40/x
  3. Step 3: Cross multiply
    1,617,237.60x = 2,425,856.40 × 419,150.40
  4. Step 4: Simplify right side
    1,617,237.60x = 1,016,798,680,402.56
  5. Step 5: Solve for x
    x = 1,016,798,680,402.56/1,617,237.60
  6. Step 6: Final answer
    x = 628,725.60

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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.