Home / 1,420,882.80-2,129,487-1,063,089.60

Finding the Fourth Proportional to 1,420,882.80, 2,129,487 and 1,063,089.60

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Solution

The fourth proportional to 1,420,882.80, 2,129,487 and 1,063,089.60 is: 1,593,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,882.80 : 2,129,487 = 1,063,089.60 : x
  2. Step 2: Convert to fraction form
    1,420,882.80/2,129,487 = 1,063,089.60/x
  3. Step 3: Cross multiply
    1,420,882.80x = 2,129,487 × 1,063,089.60
  4. Step 4: Simplify right side
    1,420,882.80x = 2,263,835,483,035.20
  5. Step 5: Solve for x
    x = 2,263,835,483,035.20/1,420,882.80
  6. Step 6: Final answer
    x = 1,593,259.83

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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.