Home / 1,149,140.32-1,723,133.52-669,523.36

Finding the Fourth Proportional to 1,149,140.32, 1,723,133.52 and 669,523.36

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Solution

The fourth proportional to 1,149,140.32, 1,723,133.52 and 669,523.36 is: 1,003,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,140.32 : 1,723,133.52 = 669,523.36 : x
  2. Step 2: Convert to fraction form
    1,149,140.32/1,723,133.52 = 669,523.36/x
  3. Step 3: Cross multiply
    1,149,140.32x = 1,723,133.52 × 669,523.36
  4. Step 4: Simplify right side
    1,149,140.32x = 1,153,678,144,039.03
  5. Step 5: Solve for x
    x = 1,153,678,144,039.03/1,149,140.32
  6. Step 6: Final answer
    x = 1,003,948.89

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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.