Home / 1,274,905.68-1,911,748.56-742,578.52

Finding the Fourth Proportional to 1,274,905.68, 1,911,748.56 and 742,578.52

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Solution

The fourth proportional to 1,274,905.68, 1,911,748.56 and 742,578.52 is: 1,113,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,905.68 : 1,911,748.56 = 742,578.52 : x
  2. Step 2: Convert to fraction form
    1,274,905.68/1,911,748.56 = 742,578.52/x
  3. Step 3: Cross multiply
    1,274,905.68x = 1,911,748.56 × 742,578.52
  4. Step 4: Simplify right side
    1,274,905.68x = 1,419,623,416,296.93
  5. Step 5: Solve for x
    x = 1,419,623,416,296.93/1,274,905.68
  6. Step 6: Final answer
    x = 1,113,512.50

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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.