Home / 1,489,015.41-2,233,312.20-478,004.22

Finding the Fourth Proportional to 1,489,015.41, 2,233,312.20 and 478,004.22

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Solution

The fourth proportional to 1,489,015.41, 2,233,312.20 and 478,004.22 is: 716,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,015.41 : 2,233,312.20 = 478,004.22 : x
  2. Step 2: Convert to fraction form
    1,489,015.41/2,233,312.20 = 478,004.22/x
  3. Step 3: Cross multiply
    1,489,015.41x = 2,233,312.20 × 478,004.22
  4. Step 4: Simplify right side
    1,489,015.41x = 1,067,532,656,177.48
  5. Step 5: Solve for x
    x = 1,067,532,656,177.48/1,489,015.41
  6. Step 6: Final answer
    x = 716,938.62

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1.5x scale

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.