Home / 1,213,752.28-1,820,863.30-465,740.12

Finding the Fourth Proportional to 1,213,752.28, 1,820,863.30 and 465,740.12

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Solution

The fourth proportional to 1,213,752.28, 1,820,863.30 and 465,740.12 is: 698,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,752.28 : 1,820,863.30 = 465,740.12 : x
  2. Step 2: Convert to fraction form
    1,213,752.28/1,820,863.30 = 465,740.12/x
  3. Step 3: Cross multiply
    1,213,752.28x = 1,820,863.30 × 465,740.12
  4. Step 4: Simplify right side
    1,213,752.28x = 848,049,091,845.60
  5. Step 5: Solve for x
    x = 848,049,091,845.60/1,213,752.28
  6. Step 6: Final answer
    x = 698,700.31

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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.