Home / 1,361,115.80-2,039,340.90-887,557.40

Finding the Fourth Proportional to 1,361,115.80, 2,039,340.90 and 887,557.40

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Solution

The fourth proportional to 1,361,115.80, 2,039,340.90 and 887,557.40 is: 1,329,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,115.80 : 2,039,340.90 = 887,557.40 : x
  2. Step 2: Convert to fraction form
    1,361,115.80/2,039,340.90 = 887,557.40/x
  3. Step 3: Cross multiply
    1,361,115.80x = 2,039,340.90 × 887,557.40
  4. Step 4: Simplify right side
    1,361,115.80x = 1,810,032,106,917.66
  5. Step 5: Solve for x
    x = 1,810,032,106,917.66/1,361,115.80
  6. Step 6: Final answer
    x = 1,329,814.93

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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.