Home / 1,276,881.03-1,915,885.77-669,524.31

Finding the Fourth Proportional to 1,276,881.03, 1,915,885.77 and 669,524.31

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Solution

The fourth proportional to 1,276,881.03, 1,915,885.77 and 669,524.31 is: 1,004,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,881.03 : 1,915,885.77 = 669,524.31 : x
  2. Step 2: Convert to fraction form
    1,276,881.03/1,915,885.77 = 669,524.31/x
  3. Step 3: Cross multiply
    1,276,881.03x = 1,915,885.77 × 669,524.31
  4. Step 4: Simplify right side
    1,276,881.03x = 1,282,732,098,198.07
  5. Step 5: Solve for x
    x = 1,282,732,098,198.07/1,276,881.03
  6. Step 6: Final answer
    x = 1,004,582.31

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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.