Home / 1,272,273.55-1,908,209.85-1,057,511.37

Finding the Fourth Proportional to 1,272,273.55, 1,908,209.85 and 1,057,511.37

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Solution

The fourth proportional to 1,272,273.55, 1,908,209.85 and 1,057,511.37 is: 1,586,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,273.55 : 1,908,209.85 = 1,057,511.37 : x
  2. Step 2: Convert to fraction form
    1,272,273.55/1,908,209.85 = 1,057,511.37/x
  3. Step 3: Cross multiply
    1,272,273.55x = 1,908,209.85 × 1,057,511.37
  4. Step 4: Simplify right side
    1,272,273.55x = 2,017,953,612,721.00
  5. Step 5: Solve for x
    x = 2,017,953,612,721.00/1,272,273.55
  6. Step 6: Final answer
    x = 1,586,100.42

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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.