Home / 1,267,301.71-1,900,976.87-414,376.57

Finding the Fourth Proportional to 1,267,301.71, 1,900,976.87 and 414,376.57

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Solution

The fourth proportional to 1,267,301.71, 1,900,976.87 and 414,376.57 is: 621,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,301.71 : 1,900,976.87 = 414,376.57 : x
  2. Step 2: Convert to fraction form
    1,267,301.71/1,900,976.87 = 414,376.57/x
  3. Step 3: Cross multiply
    1,267,301.71x = 1,900,976.87 × 414,376.57
  4. Step 4: Simplify right side
    1,267,301.71x = 787,720,275,039.94
  5. Step 5: Solve for x
    x = 787,720,275,039.94/1,267,301.71
  6. Step 6: Final answer
    x = 621,572.80

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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.