Home / 1,391,853.53-2,087,268.17-480,804.14

Finding the Fourth Proportional to 1,391,853.53, 2,087,268.17 and 480,804.14

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Solution

The fourth proportional to 1,391,853.53, 2,087,268.17 and 480,804.14 is: 721,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,853.53 : 2,087,268.17 = 480,804.14 : x
  2. Step 2: Convert to fraction form
    1,391,853.53/2,087,268.17 = 480,804.14/x
  3. Step 3: Cross multiply
    1,391,853.53x = 2,087,268.17 × 480,804.14
  4. Step 4: Simplify right side
    1,391,853.53x = 1,003,567,164,585.86
  5. Step 5: Solve for x
    x = 1,003,567,164,585.86/1,391,853.53
  6. Step 6: Final answer
    x = 721,029.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.