Home / 1,266,986.36-1,748,469.42-723,111.26

Finding the Fourth Proportional to 1,266,986.36, 1,748,469.42 and 723,111.26

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Solution

The fourth proportional to 1,266,986.36, 1,748,469.42 and 723,111.26 is: 997,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,986.36 : 1,748,469.42 = 723,111.26 : x
  2. Step 2: Convert to fraction form
    1,266,986.36/1,748,469.42 = 723,111.26/x
  3. Step 3: Cross multiply
    1,266,986.36x = 1,748,469.42 × 723,111.26
  4. Step 4: Simplify right side
    1,266,986.36x = 1,264,337,925,367.67
  5. Step 5: Solve for x
    x = 1,264,337,925,367.67/1,266,986.36
  6. Step 6: Final answer
    x = 997,909.66

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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.