Home / 1,376,840.93-1,899,997.63-756,644.63

Finding the Fourth Proportional to 1,376,840.93, 1,899,997.63 and 756,644.63

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Solution

The fourth proportional to 1,376,840.93, 1,899,997.63 and 756,644.63 is: 1,044,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,840.93 : 1,899,997.63 = 756,644.63 : x
  2. Step 2: Convert to fraction form
    1,376,840.93/1,899,997.63 = 756,644.63/x
  3. Step 3: Cross multiply
    1,376,840.93x = 1,899,997.63 × 756,644.63
  4. Step 4: Simplify right side
    1,376,840.93x = 1,437,623,006,610.61
  5. Step 5: Solve for x
    x = 1,437,623,006,610.61/1,376,840.93
  6. Step 6: Final answer
    x = 1,044,146.04

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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.