Home / 1,486,972.86-2,230,420.08-422,015.04

Finding the Fourth Proportional to 1,486,972.86, 2,230,420.08 and 422,015.04

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Solution

The fourth proportional to 1,486,972.86, 2,230,420.08 and 422,015.04 is: 633,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,972.86 : 2,230,420.08 = 422,015.04 : x
  2. Step 2: Convert to fraction form
    1,486,972.86/2,230,420.08 = 422,015.04/x
  3. Step 3: Cross multiply
    1,486,972.86x = 2,230,420.08 × 422,015.04
  4. Step 4: Simplify right side
    1,486,972.86x = 941,270,819,278.00
  5. Step 5: Solve for x
    x = 941,270,819,278.00/1,486,972.86
  6. Step 6: Final answer
    x = 633,011.43

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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.