Home / 1,275,352.68-1,912,364.67-475,976.82

Finding the Fourth Proportional to 1,275,352.68, 1,912,364.67 and 475,976.82

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Solution

The fourth proportional to 1,275,352.68, 1,912,364.67 and 475,976.82 is: 713,717.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,352.68 : 1,912,364.67 = 475,976.82 : x
  2. Step 2: Convert to fraction form
    1,275,352.68/1,912,364.67 = 475,976.82/x
  3. Step 3: Cross multiply
    1,275,352.68x = 1,912,364.67 × 475,976.82
  4. Step 4: Simplify right side
    1,275,352.68x = 910,241,254,306.95
  5. Step 5: Solve for x
    x = 910,241,254,306.95/1,275,352.68
  6. Step 6: Final answer
    x = 713,717.29

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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.