Home / 1,645,189.20-2,466,228.60-971,787.60

Finding the Fourth Proportional to 1,645,189.20, 2,466,228.60 and 971,787.60

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Solution

The fourth proportional to 1,645,189.20, 2,466,228.60 and 971,787.60 is: 1,456,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,189.20 : 2,466,228.60 = 971,787.60 : x
  2. Step 2: Convert to fraction form
    1,645,189.20/2,466,228.60 = 971,787.60/x
  3. Step 3: Cross multiply
    1,645,189.20x = 2,466,228.60 × 971,787.60
  4. Step 4: Simplify right side
    1,645,189.20x = 2,396,650,372,245.36
  5. Step 5: Solve for x
    x = 2,396,650,372,245.36/1,645,189.20
  6. Step 6: Final answer
    x = 1,456,762.77

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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.