Home / 1,131,749.29-1,561,824.52-615,508.08

Finding the Fourth Proportional to 1,131,749.29, 1,561,824.52 and 615,508.08

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Solution

The fourth proportional to 1,131,749.29, 1,561,824.52 and 615,508.08 is: 849,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,749.29 : 1,561,824.52 = 615,508.08 : x
  2. Step 2: Convert to fraction form
    1,131,749.29/1,561,824.52 = 615,508.08/x
  3. Step 3: Cross multiply
    1,131,749.29x = 1,561,824.52 × 615,508.08
  4. Step 4: Simplify right side
    1,131,749.29x = 961,315,604,206.51
  5. Step 5: Solve for x
    x = 961,315,604,206.51/1,131,749.29
  6. Step 6: Final answer
    x = 849,406.85

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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.