Home / 1,279,597.69-1,920,577.52-648,954.37

Finding the Fourth Proportional to 1,279,597.69, 1,920,577.52 and 648,954.37

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Solution

The fourth proportional to 1,279,597.69, 1,920,577.52 and 648,954.37 is: 974,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,597.69 : 1,920,577.52 = 648,954.37 : x
  2. Step 2: Convert to fraction form
    1,279,597.69/1,920,577.52 = 648,954.37/x
  3. Step 3: Cross multiply
    1,279,597.69x = 1,920,577.52 × 648,954.37
  4. Step 4: Simplify right side
    1,279,597.69x = 1,246,367,174,527.76
  5. Step 5: Solve for x
    x = 1,246,367,174,527.76/1,279,597.69
  6. Step 6: Final answer
    x = 974,030.50

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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.