Home / 1,356,486.52-1,871,902.98-767,773.33

Finding the Fourth Proportional to 1,356,486.52, 1,871,902.98 and 767,773.33

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Solution

The fourth proportional to 1,356,486.52, 1,871,902.98 and 767,773.33 is: 1,059,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,486.52 : 1,871,902.98 = 767,773.33 : x
  2. Step 2: Convert to fraction form
    1,356,486.52/1,871,902.98 = 767,773.33/x
  3. Step 3: Cross multiply
    1,356,486.52x = 1,871,902.98 × 767,773.33
  4. Step 4: Simplify right side
    1,356,486.52x = 1,437,197,187,002.14
  5. Step 5: Solve for x
    x = 1,437,197,187,002.14/1,356,486.52
  6. Step 6: Final answer
    x = 1,059,499.79

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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.