Home / 1,266,782.98-1,748,286.16-723,001.12

Finding the Fourth Proportional to 1,266,782.98, 1,748,286.16 and 723,001.12

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Solution

The fourth proportional to 1,266,782.98, 1,748,286.16 and 723,001.12 is: 997,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,782.98 : 1,748,286.16 = 723,001.12 : x
  2. Step 2: Convert to fraction form
    1,266,782.98/1,748,286.16 = 723,001.12/x
  3. Step 3: Cross multiply
    1,266,782.98x = 1,748,286.16 × 723,001.12
  4. Step 4: Simplify right side
    1,266,782.98x = 1,264,012,843,019.07
  5. Step 5: Solve for x
    x = 1,264,012,843,019.07/1,266,782.98
  6. Step 6: Final answer
    x = 997,813.25

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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.