Home / 1,115,713.38-1,539,684.34-663,004.38

Finding the Fourth Proportional to 1,115,713.38, 1,539,684.34 and 663,004.38

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Solution

The fourth proportional to 1,115,713.38, 1,539,684.34 and 663,004.38 is: 914,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,713.38 : 1,539,684.34 = 663,004.38 : x
  2. Step 2: Convert to fraction form
    1,115,713.38/1,539,684.34 = 663,004.38/x
  3. Step 3: Cross multiply
    1,115,713.38x = 1,539,684.34 × 663,004.38
  4. Step 4: Simplify right side
    1,115,713.38x = 1,020,817,459,579.90
  5. Step 5: Solve for x
    x = 1,020,817,459,579.90/1,115,713.38
  6. Step 6: Final answer
    x = 914,945.97

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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.