Home / 1,246,790.51-1,867,479.35-765,557.56

Finding the Fourth Proportional to 1,246,790.51, 1,867,479.35 and 765,557.56

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Solution

The fourth proportional to 1,246,790.51, 1,867,479.35 and 765,557.56 is: 1,146,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,790.51 : 1,867,479.35 = 765,557.56 : x
  2. Step 2: Convert to fraction form
    1,246,790.51/1,867,479.35 = 765,557.56/x
  3. Step 3: Cross multiply
    1,246,790.51x = 1,867,479.35 × 765,557.56
  4. Step 4: Simplify right side
    1,246,790.51x = 1,429,662,940,582.49
  5. Step 5: Solve for x
    x = 1,429,662,940,582.49/1,246,790.51
  6. Step 6: Final answer
    x = 1,146,674.54

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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.