Home / 1,266,808.21-1,748,223.66-722,933.17

Finding the Fourth Proportional to 1,266,808.21, 1,748,223.66 and 722,933.17

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Solution

The fourth proportional to 1,266,808.21, 1,748,223.66 and 722,933.17 is: 997,663.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,808.21 : 1,748,223.66 = 722,933.17 : x
  2. Step 2: Convert to fraction form
    1,266,808.21/1,748,223.66 = 722,933.17/x
  3. Step 3: Cross multiply
    1,266,808.21x = 1,748,223.66 × 722,933.17
  4. Step 4: Simplify right side
    1,266,808.21x = 1,263,848,872,392.80
  5. Step 5: Solve for x
    x = 1,263,848,872,392.80/1,266,808.21
  6. Step 6: Final answer
    x = 997,663.94

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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.