Home / 1,280,971.92-1,767,748.20-700,195.83

Finding the Fourth Proportional to 1,280,971.92, 1,767,748.20 and 700,195.83

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Solution

The fourth proportional to 1,280,971.92, 1,767,748.20 and 700,195.83 is: 966,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,971.92 : 1,767,748.20 = 700,195.83 : x
  2. Step 2: Convert to fraction form
    1,280,971.92/1,767,748.20 = 700,195.83/x
  3. Step 3: Cross multiply
    1,280,971.92x = 1,767,748.20 × 700,195.83
  4. Step 4: Simplify right side
    1,280,971.92x = 1,237,769,918,130.01
  5. Step 5: Solve for x
    x = 1,237,769,918,130.01/1,280,971.92
  6. Step 6: Final answer
    x = 966,274.04

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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.