Home / 1,418,009.36-1,956,875.99-773,429.39

Finding the Fourth Proportional to 1,418,009.36, 1,956,875.99 and 773,429.39

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Solution

The fourth proportional to 1,418,009.36, 1,956,875.99 and 773,429.39 is: 1,067,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,009.36 : 1,956,875.99 = 773,429.39 : x
  2. Step 2: Convert to fraction form
    1,418,009.36/1,956,875.99 = 773,429.39/x
  3. Step 3: Cross multiply
    1,418,009.36x = 1,956,875.99 × 773,429.39
  4. Step 4: Simplify right side
    1,418,009.36x = 1,513,505,403,251.35
  5. Step 5: Solve for x
    x = 1,513,505,403,251.35/1,418,009.36
  6. Step 6: Final answer
    x = 1,067,345.14

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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.