Home / 1,291,282.36-1,782,164.53-747,773.22

Finding the Fourth Proportional to 1,291,282.36, 1,782,164.53 and 747,773.22

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Solution

The fourth proportional to 1,291,282.36, 1,782,164.53 and 747,773.22 is: 1,032,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,282.36 : 1,782,164.53 = 747,773.22 : x
  2. Step 2: Convert to fraction form
    1,291,282.36/1,782,164.53 = 747,773.22/x
  3. Step 3: Cross multiply
    1,291,282.36x = 1,782,164.53 × 747,773.22
  4. Step 4: Simplify right side
    1,291,282.36x = 1,332,654,912,579.50
  5. Step 5: Solve for x
    x = 1,332,654,912,579.50/1,291,282.36
  6. Step 6: Final answer
    x = 1,032,039.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.