Home / 1,525,084.20-2,286,970.20-766,632.60

Finding the Fourth Proportional to 1,525,084.20, 2,286,970.20 and 766,632.60

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Solution

The fourth proportional to 1,525,084.20, 2,286,970.20 and 766,632.60 is: 1,149,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,084.20 : 2,286,970.20 = 766,632.60 : x
  2. Step 2: Convert to fraction form
    1,525,084.20/2,286,970.20 = 766,632.60/x
  3. Step 3: Cross multiply
    1,525,084.20x = 2,286,970.20 × 766,632.60
  4. Step 4: Simplify right side
    1,525,084.20x = 1,753,265,910,548.52
  5. Step 5: Solve for x
    x = 1,753,265,910,548.52/1,525,084.20
  6. Step 6: Final answer
    x = 1,149,619.09

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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.