Home / 1,285,582.30-1,928,392.89-486,649.33

Finding the Fourth Proportional to 1,285,582.30, 1,928,392.89 and 486,649.33

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Solution

The fourth proportional to 1,285,582.30, 1,928,392.89 and 486,649.33 is: 729,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,582.30 : 1,928,392.89 = 486,649.33 : x
  2. Step 2: Convert to fraction form
    1,285,582.30/1,928,392.89 = 486,649.33/x
  3. Step 3: Cross multiply
    1,285,582.30x = 1,928,392.89 × 486,649.33
  4. Step 4: Simplify right side
    1,285,582.30x = 938,451,107,895.26
  5. Step 5: Solve for x
    x = 938,451,107,895.26/1,285,582.30
  6. Step 6: Final answer
    x = 729,981.35

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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.