Home / 1,553,684.72-2,144,402.52-980,338.64

Finding the Fourth Proportional to 1,553,684.72, 2,144,402.52 and 980,338.64

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Solution

The fourth proportional to 1,553,684.72, 2,144,402.52 and 980,338.64 is: 1,353,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,684.72 : 2,144,402.52 = 980,338.64 : x
  2. Step 2: Convert to fraction form
    1,553,684.72/2,144,402.52 = 980,338.64/x
  3. Step 3: Cross multiply
    1,553,684.72x = 2,144,402.52 × 980,338.64
  4. Step 4: Simplify right side
    1,553,684.72x = 2,102,240,650,069.37
  5. Step 5: Solve for x
    x = 2,102,240,650,069.37/1,553,684.72
  6. Step 6: Final answer
    x = 1,353,067.73

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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.