Home / 1,266,872.85-1,748,312.94-722,997.81

Finding the Fourth Proportional to 1,266,872.85, 1,748,312.94 and 722,997.81

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Solution

The fourth proportional to 1,266,872.85, 1,748,312.94 and 722,997.81 is: 997,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,872.85 : 1,748,312.94 = 722,997.81 : x
  2. Step 2: Convert to fraction form
    1,266,872.85/1,748,312.94 = 722,997.81/x
  3. Step 3: Cross multiply
    1,266,872.85x = 1,748,312.94 × 722,997.81
  4. Step 4: Simplify right side
    1,266,872.85x = 1,264,026,426,814.66
  5. Step 5: Solve for x
    x = 1,264,026,426,814.66/1,266,872.85
  6. Step 6: Final answer
    x = 997,753.19

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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.