Home / 1,917,632.82-2,875,701.70-718,901.06

Finding the Fourth Proportional to 1,917,632.82, 2,875,701.70 and 718,901.06

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Solution

The fourth proportional to 1,917,632.82, 2,875,701.70 and 718,901.06 is: 1,078,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,632.82 : 2,875,701.70 = 718,901.06 : x
  2. Step 2: Convert to fraction form
    1,917,632.82/2,875,701.70 = 718,901.06/x
  3. Step 3: Cross multiply
    1,917,632.82x = 2,875,701.70 × 718,901.06
  4. Step 4: Simplify right side
    1,917,632.82x = 2,067,345,005,765.80
  5. Step 5: Solve for x
    x = 2,067,345,005,765.80/1,917,632.82
  6. Step 6: Final answer
    x = 1,078,071.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.