Home / 1,410,657.60-2,115,986.40-413,385.60

Finding the Fourth Proportional to 1,410,657.60, 2,115,986.40 and 413,385.60

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Solution

The fourth proportional to 1,410,657.60, 2,115,986.40 and 413,385.60 is: 620,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,657.60 : 2,115,986.40 = 413,385.60 : x
  2. Step 2: Convert to fraction form
    1,410,657.60/2,115,986.40 = 413,385.60/x
  3. Step 3: Cross multiply
    1,410,657.60x = 2,115,986.40 × 413,385.60
  4. Step 4: Simplify right side
    1,410,657.60x = 874,718,307,555.84
  5. Step 5: Solve for x
    x = 874,718,307,555.84/1,410,657.60
  6. Step 6: Final answer
    x = 620,078.40

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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.