Home / 1,368,833.04-1,888,692.84-765,200.40

Finding the Fourth Proportional to 1,368,833.04, 1,888,692.84 and 765,200.40

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Solution

The fourth proportional to 1,368,833.04, 1,888,692.84 and 765,200.40 is: 1,055,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,833.04 : 1,888,692.84 = 765,200.40 : x
  2. Step 2: Convert to fraction form
    1,368,833.04/1,888,692.84 = 765,200.40/x
  3. Step 3: Cross multiply
    1,368,833.04x = 1,888,692.84 × 765,200.40
  4. Step 4: Simplify right side
    1,368,833.04x = 1,445,228,516,645.14
  5. Step 5: Solve for x
    x = 1,445,228,516,645.14/1,368,833.04
  6. Step 6: Final answer
    x = 1,055,810.66

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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.