Home / 1,291,551.86-1,782,313.76-747,710.66

Finding the Fourth Proportional to 1,291,551.86, 1,782,313.76 and 747,710.66

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Solution

The fourth proportional to 1,291,551.86, 1,782,313.76 and 747,710.66 is: 1,031,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,551.86 : 1,782,313.76 = 747,710.66 : x
  2. Step 2: Convert to fraction form
    1,291,551.86/1,782,313.76 = 747,710.66/x
  3. Step 3: Cross multiply
    1,291,551.86x = 1,782,313.76 × 747,710.66
  4. Step 4: Simplify right side
    1,291,551.86x = 1,332,654,997,816.68
  5. Step 5: Solve for x
    x = 1,332,654,997,816.68/1,291,551.86
  6. Step 6: Final answer
    x = 1,031,824.61

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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.