Home / 1,418,008.36-1,956,874.61-773,428.39

Finding the Fourth Proportional to 1,418,008.36, 1,956,874.61 and 773,428.39

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Solution

The fourth proportional to 1,418,008.36, 1,956,874.61 and 773,428.39 is: 1,067,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,008.36 : 1,956,874.61 = 773,428.39 : x
  2. Step 2: Convert to fraction form
    1,418,008.36/1,956,874.61 = 773,428.39/x
  3. Step 3: Cross multiply
    1,418,008.36x = 1,956,874.61 × 773,428.39
  4. Step 4: Simplify right side
    1,418,008.36x = 1,513,502,379,044.18
  5. Step 5: Solve for x
    x = 1,513,502,379,044.18/1,418,008.36
  6. Step 6: Final answer
    x = 1,067,343.76

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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.