Home / 1,152,777.20-1,726,962.60-620,121.20

Finding the Fourth Proportional to 1,152,777.20, 1,726,962.60 and 620,121.20

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Solution

The fourth proportional to 1,152,777.20, 1,726,962.60 and 620,121.20 is: 928,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,777.20 : 1,726,962.60 = 620,121.20 : x
  2. Step 2: Convert to fraction form
    1,152,777.20/1,726,962.60 = 620,121.20/x
  3. Step 3: Cross multiply
    1,152,777.20x = 1,726,962.60 × 620,121.20
  4. Step 4: Simplify right side
    1,152,777.20x = 1,070,926,119,867.12
  5. Step 5: Solve for x
    x = 1,070,926,119,867.12/1,152,777.20
  6. Step 6: Final answer
    x = 928,996.62

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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.