Home / 1,279,599.69-1,920,580.52-648,956.37

Finding the Fourth Proportional to 1,279,599.69, 1,920,580.52 and 648,956.37

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Solution

The fourth proportional to 1,279,599.69, 1,920,580.52 and 648,956.37 is: 974,033.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,599.69 : 1,920,580.52 = 648,956.37 : x
  2. Step 2: Convert to fraction form
    1,279,599.69/1,920,580.52 = 648,956.37/x
  3. Step 3: Cross multiply
    1,279,599.69x = 1,920,580.52 × 648,956.37
  4. Step 4: Simplify right side
    1,279,599.69x = 1,246,372,959,307.13
  5. Step 5: Solve for x
    x = 1,246,372,959,307.13/1,279,599.69
  6. Step 6: Final answer
    x = 974,033.50

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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.