Home / 1,276,897.92-1,762,458.88-754,067.20

Finding the Fourth Proportional to 1,276,897.92, 1,762,458.88 and 754,067.20

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Solution

The fourth proportional to 1,276,897.92, 1,762,458.88 and 754,067.20 is: 1,040,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,897.92 : 1,762,458.88 = 754,067.20 : x
  2. Step 2: Convert to fraction form
    1,276,897.92/1,762,458.88 = 754,067.20/x
  3. Step 3: Cross multiply
    1,276,897.92x = 1,762,458.88 × 754,067.20
  4. Step 4: Simplify right side
    1,276,897.92x = 1,329,012,432,756.74
  5. Step 5: Solve for x
    x = 1,329,012,432,756.74/1,276,897.92
  6. Step 6: Final answer
    x = 1,040,813.37

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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.