Home / 1,525,097.20-2,286,989.70-766,645.60

Finding the Fourth Proportional to 1,525,097.20, 2,286,989.70 and 766,645.60

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Solution

The fourth proportional to 1,525,097.20, 2,286,989.70 and 766,645.60 is: 1,149,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,097.20 : 2,286,989.70 = 766,645.60 : x
  2. Step 2: Convert to fraction form
    1,525,097.20/2,286,989.70 = 766,645.60/x
  3. Step 3: Cross multiply
    1,525,097.20x = 2,286,989.70 × 766,645.60
  4. Step 4: Simplify right side
    1,525,097.20x = 1,753,310,590,750.32
  5. Step 5: Solve for x
    x = 1,753,310,590,750.32/1,525,097.20
  6. Step 6: Final answer
    x = 1,149,638.59

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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.