Home / 1,230,494.80-1,845,396.60-389,304.40

Finding the Fourth Proportional to 1,230,494.80, 1,845,396.60 and 389,304.40

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Solution

The fourth proportional to 1,230,494.80, 1,845,396.60 and 389,304.40 is: 583,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,494.80 : 1,845,396.60 = 389,304.40 : x
  2. Step 2: Convert to fraction form
    1,230,494.80/1,845,396.60 = 389,304.40/x
  3. Step 3: Cross multiply
    1,230,494.80x = 1,845,396.60 × 389,304.40
  4. Step 4: Simplify right side
    1,230,494.80x = 718,421,016,125.04
  5. Step 5: Solve for x
    x = 718,421,016,125.04/1,230,494.80
  6. Step 6: Final answer
    x = 583,847.26

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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.