Home / 1,213,007.60-1,820,548.20-540,124.40

Finding the Fourth Proportional to 1,213,007.60, 1,820,548.20 and 540,124.40

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Solution

The fourth proportional to 1,213,007.60, 1,820,548.20 and 540,124.40 is: 810,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,007.60 : 1,820,548.20 = 540,124.40 : x
  2. Step 2: Convert to fraction form
    1,213,007.60/1,820,548.20 = 540,124.40/x
  3. Step 3: Cross multiply
    1,213,007.60x = 1,820,548.20 × 540,124.40
  4. Step 4: Simplify right side
    1,213,007.60x = 983,322,504,196.08
  5. Step 5: Solve for x
    x = 983,322,504,196.08/1,213,007.60
  6. Step 6: Final answer
    x = 810,648.26

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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.