Home / 1,243,796.72-1,865,587.55-757,353.24

Finding the Fourth Proportional to 1,243,796.72, 1,865,587.55 and 757,353.24

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Solution

The fourth proportional to 1,243,796.72, 1,865,587.55 and 757,353.24 is: 1,135,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,796.72 : 1,865,587.55 = 757,353.24 : x
  2. Step 2: Convert to fraction form
    1,243,796.72/1,865,587.55 = 757,353.24/x
  3. Step 3: Cross multiply
    1,243,796.72x = 1,865,587.55 × 757,353.24
  4. Step 4: Simplify right side
    1,243,796.72x = 1,412,908,771,709.40
  5. Step 5: Solve for x
    x = 1,412,908,771,709.40/1,243,796.72
  6. Step 6: Final answer
    x = 1,135,964.39

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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.