Home / 1,203,146.04-1,659,720.54-815,830.44

Finding the Fourth Proportional to 1,203,146.04, 1,659,720.54 and 815,830.44

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Solution

The fourth proportional to 1,203,146.04, 1,659,720.54 and 815,830.44 is: 1,125,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,146.04 : 1,659,720.54 = 815,830.44 : x
  2. Step 2: Convert to fraction form
    1,203,146.04/1,659,720.54 = 815,830.44/x
  3. Step 3: Cross multiply
    1,203,146.04x = 1,659,720.54 × 815,830.44
  4. Step 4: Simplify right side
    1,203,146.04x = 1,354,050,538,425.24
  5. Step 5: Solve for x
    x = 1,354,050,538,425.24/1,203,146.04
  6. Step 6: Final answer
    x = 1,125,424.92

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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.