Home / 1,273,480.79-1,910,221.18-872,907.17

Finding the Fourth Proportional to 1,273,480.79, 1,910,221.18 and 872,907.17

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Solution

The fourth proportional to 1,273,480.79, 1,910,221.18 and 872,907.17 is: 1,309,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,480.79 : 1,910,221.18 = 872,907.17 : x
  2. Step 2: Convert to fraction form
    1,273,480.79/1,910,221.18 = 872,907.17/x
  3. Step 3: Cross multiply
    1,273,480.79x = 1,910,221.18 × 872,907.17
  4. Step 4: Simplify right side
    1,273,480.79x = 1,667,445,752,574.49
  5. Step 5: Solve for x
    x = 1,667,445,752,574.49/1,273,480.79
  6. Step 6: Final answer
    x = 1,309,360.75

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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.