Home / 1,451,625.90-2,003,355.80-870,870.78

Finding the Fourth Proportional to 1,451,625.90, 2,003,355.80 and 870,870.78

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Solution

The fourth proportional to 1,451,625.90, 2,003,355.80 and 870,870.78 is: 1,201,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,625.90 : 2,003,355.80 = 870,870.78 : x
  2. Step 2: Convert to fraction form
    1,451,625.90/2,003,355.80 = 870,870.78/x
  3. Step 3: Cross multiply
    1,451,625.90x = 2,003,355.80 × 870,870.78
  4. Step 4: Simplify right side
    1,451,625.90x = 1,744,664,028,163.52
  5. Step 5: Solve for x
    x = 1,744,664,028,163.52/1,451,625.90
  6. Step 6: Final answer
    x = 1,201,868.90

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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.