Home / 1,397,291.20-2,096,858.40-510,827.20

Finding the Fourth Proportional to 1,397,291.20, 2,096,858.40 and 510,827.20

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Solution

The fourth proportional to 1,397,291.20, 2,096,858.40 and 510,827.20 is: 766,577.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,291.20 : 2,096,858.40 = 510,827.20 : x
  2. Step 2: Convert to fraction form
    1,397,291.20/2,096,858.40 = 510,827.20/x
  3. Step 3: Cross multiply
    1,397,291.20x = 2,096,858.40 × 510,827.20
  4. Step 4: Simplify right side
    1,397,291.20x = 1,071,132,305,268.48
  5. Step 5: Solve for x
    x = 1,071,132,305,268.48/1,397,291.20
  6. Step 6: Final answer
    x = 766,577.72

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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.