Home / 1,222,619.20-1,834,009.80-324,048.40

Finding the Fourth Proportional to 1,222,619.20, 1,834,009.80 and 324,048.40

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Solution

The fourth proportional to 1,222,619.20, 1,834,009.80 and 324,048.40 is: 486,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,619.20 : 1,834,009.80 = 324,048.40 : x
  2. Step 2: Convert to fraction form
    1,222,619.20/1,834,009.80 = 324,048.40/x
  3. Step 3: Cross multiply
    1,222,619.20x = 1,834,009.80 × 324,048.40
  4. Step 4: Simplify right side
    1,222,619.20x = 594,307,941,274.32
  5. Step 5: Solve for x
    x = 594,307,941,274.32/1,222,619.20
  6. Step 6: Final answer
    x = 486,094.07

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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.