Home / 1,303,131.65-1,798,333.70-722,361.04

Finding the Fourth Proportional to 1,303,131.65, 1,798,333.70 and 722,361.04

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Solution

The fourth proportional to 1,303,131.65, 1,798,333.70 and 722,361.04 is: 996,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,131.65 : 1,798,333.70 = 722,361.04 : x
  2. Step 2: Convert to fraction form
    1,303,131.65/1,798,333.70 = 722,361.04/x
  3. Step 3: Cross multiply
    1,303,131.65x = 1,798,333.70 × 722,361.04
  4. Step 4: Simplify right side
    1,303,131.65x = 1,299,046,197,754.69
  5. Step 5: Solve for x
    x = 1,299,046,197,754.69/1,303,131.65
  6. Step 6: Final answer
    x = 996,864.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.