Home / 1,022,151.84-1,409,798.16-961,879.20

Finding the Fourth Proportional to 1,022,151.84, 1,409,798.16 and 961,879.20

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Solution

The fourth proportional to 1,022,151.84, 1,409,798.16 and 961,879.20 is: 1,326,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,151.84 : 1,409,798.16 = 961,879.20 : x
  2. Step 2: Convert to fraction form
    1,022,151.84/1,409,798.16 = 961,879.20/x
  3. Step 3: Cross multiply
    1,022,151.84x = 1,409,798.16 × 961,879.20
  4. Step 4: Simplify right side
    1,022,151.84x = 1,356,055,526,302.27
  5. Step 5: Solve for x
    x = 1,356,055,526,302.27/1,022,151.84
  6. Step 6: Final answer
    x = 1,326,667.40

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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.