Home / 1,384,157.68-2,074,968.05-485,109.34

Finding the Fourth Proportional to 1,384,157.68, 2,074,968.05 and 485,109.34

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Solution

The fourth proportional to 1,384,157.68, 2,074,968.05 and 485,109.34 is: 727,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,157.68 : 2,074,968.05 = 485,109.34 : x
  2. Step 2: Convert to fraction form
    1,384,157.68/2,074,968.05 = 485,109.34/x
  3. Step 3: Cross multiply
    1,384,157.68x = 2,074,968.05 × 485,109.34
  4. Step 4: Simplify right side
    1,384,157.68x = 1,006,586,381,256.59
  5. Step 5: Solve for x
    x = 1,006,586,381,256.59/1,384,157.68
  6. Step 6: Final answer
    x = 727,219.45

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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.