Home / 1,213,754.28-1,820,866.30-465,742.12

Finding the Fourth Proportional to 1,213,754.28, 1,820,866.30 and 465,742.12

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Solution

The fourth proportional to 1,213,754.28, 1,820,866.30 and 465,742.12 is: 698,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,754.28 : 1,820,866.30 = 465,742.12 : x
  2. Step 2: Convert to fraction form
    1,213,754.28/1,820,866.30 = 465,742.12/x
  3. Step 3: Cross multiply
    1,213,754.28x = 1,820,866.30 × 465,742.12
  4. Step 4: Simplify right side
    1,213,754.28x = 848,054,130,798.56
  5. Step 5: Solve for x
    x = 848,054,130,798.56/1,213,754.28
  6. Step 6: Final answer
    x = 698,703.31

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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.