Home / 1,218,734.16-1,681,832.48-674,858.32

Finding the Fourth Proportional to 1,218,734.16, 1,681,832.48 and 674,858.32

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Solution

The fourth proportional to 1,218,734.16, 1,681,832.48 and 674,858.32 is: 931,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,734.16 : 1,681,832.48 = 674,858.32 : x
  2. Step 2: Convert to fraction form
    1,218,734.16/1,681,832.48 = 674,858.32/x
  3. Step 3: Cross multiply
    1,218,734.16x = 1,681,832.48 × 674,858.32
  4. Step 4: Simplify right side
    1,218,734.16x = 1,134,998,641,974.23
  5. Step 5: Solve for x
    x = 1,134,998,641,974.23/1,218,734.16
  6. Step 6: Final answer
    x = 931,293.04

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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.