Home / 1,720,379.12-2,374,132.41-946,059.89

Finding the Fourth Proportional to 1,720,379.12, 2,374,132.41 and 946,059.89

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Solution

The fourth proportional to 1,720,379.12, 2,374,132.41 and 946,059.89 is: 1,305,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,379.12 : 2,374,132.41 = 946,059.89 : x
  2. Step 2: Convert to fraction form
    1,720,379.12/2,374,132.41 = 946,059.89/x
  3. Step 3: Cross multiply
    1,720,379.12x = 2,374,132.41 × 946,059.89
  4. Step 4: Simplify right side
    1,720,379.12x = 2,246,071,434,779.37
  5. Step 5: Solve for x
    x = 2,246,071,434,779.37/1,720,379.12
  6. Step 6: Final answer
    x = 1,305,567.72

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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.