Home / 1,345,928.74-1,857,669.10-773,284.66

Finding the Fourth Proportional to 1,345,928.74, 1,857,669.10 and 773,284.66

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Solution

The fourth proportional to 1,345,928.74, 1,857,669.10 and 773,284.66 is: 1,067,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,928.74 : 1,857,669.10 = 773,284.66 : x
  2. Step 2: Convert to fraction form
    1,345,928.74/1,857,669.10 = 773,284.66/x
  3. Step 3: Cross multiply
    1,345,928.74x = 1,857,669.10 × 773,284.66
  4. Step 4: Simplify right side
    1,345,928.74x = 1,436,507,011,808.62
  5. Step 5: Solve for x
    x = 1,436,507,011,808.62/1,345,928.74
  6. Step 6: Final answer
    x = 1,067,297.97

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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.