Home / 1,230,055.60-1,845,342.60-388,692.40

Finding the Fourth Proportional to 1,230,055.60, 1,845,342.60 and 388,692.40

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Solution

The fourth proportional to 1,230,055.60, 1,845,342.60 and 388,692.40 is: 583,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,055.60 : 1,845,342.60 = 388,692.40 : x
  2. Step 2: Convert to fraction form
    1,230,055.60/1,845,342.60 = 388,692.40/x
  3. Step 3: Cross multiply
    1,230,055.60x = 1,845,342.60 × 388,692.40
  4. Step 4: Simplify right side
    1,230,055.60x = 717,270,644,016.24
  5. Step 5: Solve for x
    x = 717,270,644,016.24/1,230,055.60
  6. Step 6: Final answer
    x = 583,120.51

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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.